{"id":15403,"date":"2026-09-21T14:33:43","date_gmt":"2026-09-21T09:03:43","guid":{"rendered":"https:\/\/threatcop.com\/blog\/?p=15403"},"modified":"2026-09-21T14:33:45","modified_gmt":"2026-09-21T09:03:45","slug":"ai-generated-code-security","status":"publish","type":"post","link":"https:\/\/threatcop.com\/blog\/ai-generated-code-security\/","title":{"rendered":"AI-Generated Code Security: What the Testing Actually Shows"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">AI writes roughly half of all committed code and fails security tests about 44% of the time. Model capability has improved sharply since 2024. Security performance has not. And the developers reviewing that output are measurably worse at catching flaws when AI produced them.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #414141;color:#414141\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #414141;color:#414141\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/threatcop.com\/blog\/ai-generated-code-security\/#How_Secure_Is_AI-Generated_Code\" >How Secure Is AI-Generated Code?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/threatcop.com\/blog\/ai-generated-code-security\/#The_Gap_Between_Compiling_and_Being_Safe\" >The Gap Between Compiling and Being Safe<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/threatcop.com\/blog\/ai-generated-code-security\/#Book_a_Free_Demo_Call_with_Our_Expert\" >Book a Free Demo Call with Our Expert<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/threatcop.com\/blog\/ai-generated-code-security\/#Which_Vulnerability_Classes_Fail_Most\" >Which Vulnerability Classes Fail Most<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/threatcop.com\/blog\/ai-generated-code-security\/#Why_Shipping_Faster_Makes_This_Worse\" >Why Shipping Faster Makes This Worse<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/threatcop.com\/blog\/ai-generated-code-security\/#Why_Training_the_AI_Is_Not_the_Whole_Answer\" >Why Training the AI Is Not the Whole Answer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/threatcop.com\/blog\/ai-generated-code-security\/#The_Study_That_Should_Change_Your_Review_Process\" >The Study That Should Change Your Review Process<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/threatcop.com\/blog\/ai-generated-code-security\/#What_Developers_Need_Training_On_Now\" >What Developers Need Training On Now<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/threatcop.com\/blog\/ai-generated-code-security\/#Controls_That_Work_Regardless_of_Who_Wrote_the_Code\" >Controls That Work Regardless of Who Wrote the Code<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/threatcop.com\/blog\/ai-generated-code-security\/#What_to_Measure\" >What to Measure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/threatcop.com\/blog\/ai-generated-code-security\/#Measure_Your_Own_Pipeline_Before_Arguing_About_It\" >Measure Your Own Pipeline Before Arguing About It<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/threatcop.com\/blog\/ai-generated-code-security\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Secure_Is_AI-Generated_Code\"><\/span>How Secure Is AI-Generated Code?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Veracode&#8217;s <a href=\"https:\/\/www.veracode.com\/blog\/2026-genai-code-security-report-ai-risk\/\" rel=\"nofollow noopener\" target=\"_blank\">2026 GenAI Code Security Report<\/a> is the largest longitudinal test available, covering more than 100 models across four testing snapshots.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The headline number is stable and unflattering. The average security pass rate sits at 56%, virtually unchanged since the previous year. Given no security-specific prompting, models fail nearly 44% of the time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Stability is the finding, not the percentage. Coding benchmarks climbed steadily across the same period while the security pass rate stayed flat. Models got better at writing code that works without getting better at writing code that is safe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Academic work agrees. Pearce and colleagues found roughly 40% of Copilot-generated programs contained vulnerabilities across 1,689 programs, and a systematic review by Negri-Ribalta and colleagues across 19 studies reported high-level agreement that AI models do not produce safe code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Gap_Between_Compiling_and_Being_Safe\"><\/span>The Gap Between Compiling and Being Safe<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">One contrast in the Veracode data explains why this keeps surprising engineering teams.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Models generate compilable code at a syntax pass rate close to 100%. On security, they fail nearly 44% of the time. Fluency and safety have separated completely.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That matters because fluency is what a reviewer sees. Code that compiles, runs, reads cleanly, and follows house conventions carries every signal a developer uses to judge quality. The vulnerability is not visible in any of them.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So the usual quality heuristics have stopped working as security heuristics. A senior developer scanning for the things that used to indicate sloppiness will find nothing wrong, because nothing about the output is sloppy.<\/p>\n\n\n\n<meta charset=\"UTF-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n<title>Threatcop \u2013 Book a Free Demo<\/title>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Outfit:wght@300;400;500;600;700&#038;display=swap\" rel=\"stylesheet\">\n<style>\n  .tc-wrap , .tc-wrap ::before, .tc-wrap ::after { box-sizing: border-box; margin: 0; padding: 0; }\n  .tc-wrap { font-family: 'Outfit', sans-serif; width: 100%; display: flex; justify-content: center; padding: 20px 10px; }\n  .tc-card { width: 100%; max-width: 820px; background: #fff; border-radius: 20px; overflow: hidden; box-shadow: 0 20px 60px rgba(24,57,148,0.13), 0 4px 16px rgba(24,57,148,0.07); display: flex; flex-direction: row; }\n  .tc-left { background: linear-gradient(160deg, #1e44b0 0%, #183994 40%, #0e2570 100%); width: 320px; flex-shrink: 0; 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never shared with third parties\n        <\/div>\n      <\/form>\n    <\/div>\n  <\/div>\n<\/div>\n<script>document.getElementById('tc-page-source').value = window.location.href;<\/script>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Which_Vulnerability_Classes_Fail_Most\"><\/span>Which Vulnerability Classes Fail Most<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Failure is concentrated rather than uniform, which makes it targetable.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Weakness<\/strong><\/th><th><strong>How often models fail<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Log injection (CWE-117)<\/td><td>88% of samples vulnerable<\/td><\/tr><tr><td>Cross-site scripting (CWE-80)<\/td><td>86% of samples vulnerable<\/td><\/tr><tr><td>SQL injection (CWE-89)<\/td><td>20% of samples vulnerable<\/td><\/tr><tr><td>Insecure cryptography (CWE-327)<\/td><td>14% of samples vulnerable<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Read the top two rows carefully. These are OWASP Top 10 staples, not exotic edge cases, and models fail them most of the time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Language matters too. Java performed worst, exceeding a 70% failure rate for secure code generation. Wider context on the shift appears in <a href=\"https:\/\/threatcop.com\/blog\/affects-of-ai-in-cybersecurity\/\">where AI is changing the threat picture<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The pattern makes sense once you see it. SQL injection has one canonical fix that appears everywhere in training data, so models reproduce it. Cross-site scripting requires knowing which variable reaches which context, which needs application knowledge the model does not have.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Shipping_Faster_Makes_This_Worse\"><\/span>Why Shipping Faster Makes This Worse<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Volume is the part that turns a quality problem into a governance problem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Cloud Security Alliance&#8217;s <a href=\"https:\/\/labs.cloudsecurityalliance.org\/research\/csa-research-note-ai-generated-code-vulnerability-surge-2026\/\" rel=\"nofollow noopener\" target=\"_blank\">research note on AI-generated code<\/a> reports empirical work across Fortune 50 enterprises finding that AI-assisted developers produce commits at three to four times the rate of their peers, while introducing security findings at ten times the rate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Those two multipliers do not cancel. Output rose fourfold and findings rose tenfold, so defect density went up alongside volume.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Veracode&#8217;s 2026 State of Software Security puts the consequence in balance-sheet terms: security debt now affects 82% of organisations, critical security debt affects 60%, and high-risk vulnerabilities rose 36% year over year.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Meanwhile, Verizon&#8217;s 2026 Data Breach Investigations Report found software vulnerabilities have become the top breach entry point at 31%, overtaking stolen credentials. The debt is being collected.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Training_the_AI_Is_Not_the_Whole_Answer\"><\/span>Why Training the AI Is Not the Whole Answer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A tempting conclusion runs like this. Humans were never good at secure coding; AI now writes most of it, so the effort belongs on making the models safer and human training is obsolete.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The first half is defensible. The second half is where it breaks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Governance questions raised by that pace appear in <a href=\"https:\/\/threatcop.com\/blog\/anand-thangaraju-on-ai-automation-and-the-governance-layer\/\">the governance layer beneath automation<\/a>. Models will improve, and security-specific prompting does raise pass rates. Even so, four years of capability gains produced no movement in the security pass rate, so treating the next model release as the fix has a poor track record.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">More importantly, the model is not the last line. A human approves every commit. That reviewer is the control, and the evidence on how that control is performing is the most alarming part of this literature.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Study_That_Should_Change_Your_Review_Process\"><\/span>The Study That Should Change Your Review Process<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Perry and colleagues ran a user study comparing developers working with and without an AI assistant. Two findings matter, and the second matters more.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Participants using AI assistants wrote significantly less secure code. That much is expected.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">They also exhibited what the researchers called a false sense of security, frequently rating their insecure solutions as secure. Confidence moved in the opposite direction from correctness.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A <a href=\"https:\/\/arxiv.org\/pdf\/2506.11022\" rel=\"nofollow noopener\" target=\"_blank\">systematic analysis of this literature<\/a> places that finding alongside related work showing AI-generated code lacks defensive programming constructs and contains subtly incorrect implementations of security-critical algorithms.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The implication for review is direct. A reviewer is not a neutral backstop who happens to be checking AI output. Working alongside AI has changed how carefully they check, in the wrong direction, without them noticing.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Developers_Need_Training_On_Now\"><\/span>What Developers Need Training On Now<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Secure coding training has not become obsolete. Its subject has changed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The old curriculum taught developers to write secure code. The new one has to teach them to review code they did not write, produced by a system they are inclined to trust, in volumes that discourage close reading.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Four things belong in that training:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>The confidence trap<\/strong>, named explicitly, so developers know the research says their judgement degrades with AI assistance<\/li>\n\n\n\n<li><strong>The failure profile<\/strong>, meaning which weakness classes models get wrong most, so review attention goes where the data points<\/li>\n\n\n\n<li><strong>Context-dependent flaws<\/strong>, since the categories models fail hardest are the ones requiring application knowledge the model lacks<\/li>\n\n\n\n<li><strong>Prompting for security<\/strong>, because pass rates improve when security is requested explicitly rather than assumed<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Threatcop&#8217;s TLMS delivers this as role-specific content rather than a shared module, so developers get the review scenarios while other functions get theirs. Programme design sits in <a href=\"https:\/\/threatcop.com\/blog\/role-based-security-awareness-training\/\">training built around what each team does<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Controls_That_Work_Regardless_of_Who_Wrote_the_Code\"><\/span>Controls That Work Regardless of Who Wrote the Code<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Training is one layer. Six controls do not depend on anyone&#8217;s attention holding.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Run SAST on AI-generated code by default<\/strong>, since the output is not pre-vetted by virtue of coming from a model.<\/li>\n\n\n\n<li><strong>Require security-specific prompting<\/strong> in house guidelines, because unprompted generation is what the 44% figure measures.<\/li>\n\n\n\n<li><strong>Gate the high-failure classes.<\/strong> Add targeted checks for cross-site scripting and log injection, where models fail most.<\/li>\n\n\n\n<li><strong>Apply software composition analysis<\/strong> to dependencies the model suggests, which it may have hallucinated or picked poorly.<\/li>\n\n\n\n<li><strong>Slow the merge path for security-sensitive code<\/strong>, so authentication, crypto, and input handling get human review proportional to risk.<\/li>\n\n\n\n<li><strong>Track defect density per author type<\/strong>, distinguishing AI-assisted commits, so the trend is visible rather than assumed.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Item 6 is the one almost nobody does, and it is what turns this from a debate into a measurement. Supply chain exposure in the same pipeline appears in <a href=\"https:\/\/threatcop.com\/blog\/third-party-data-breaches\/\">when a supplier failure becomes your incident<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_to_Measure\"><\/span>What to Measure<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lines of code shipped is the wrong headline metric in an AI-assisted pipeline, because it is the number AI moves most and security least.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Security findings per thousand lines<\/strong>, split by AI-assisted and manually written commits<\/li>\n\n\n\n<li><strong>Remediation backlog trend<\/strong>, which reveals whether findings are being closed or accumulating<\/li>\n\n\n\n<li><strong>Share of high-failure CWE classes<\/strong> appearing in findings, against the model failure profile<\/li>\n\n\n\n<li><strong>Time from introduction to detection<\/strong> for vulnerabilities reaching main<\/li>\n\n\n\n<li><strong>Proportion of AI-generated code that received security-specific prompting<\/strong><\/li>\n\n\n\n<li><strong>Review depth on security-sensitive changes<\/strong>, measured in time rather than approvals<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The first is the honest one. If AI-assisted commits show a higher finding rate, you have the CSA result in your own data and a case for changing the review process.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Measure_Your_Own_Pipeline_Before_Arguing_About_It\"><\/span>Measure Your Own Pipeline Before Arguing About It<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Split your last quarter&#8217;s security findings by whether the commit was AI-assisted, then compare findings per thousand lines. Most teams have never run that comparison, and it settles the question for your codebase rather than in the abstract.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If the AI-assisted rate is higher, the Cloud Security Alliance finding is reproducing in your environment, and the answer is review process rather than model choice.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then <a href=\"https:\/\/threatcop.com\/threatcop-security-awareness-training\">train the people doing the reviewing<\/a> on the confidence effect specifically, because a reviewer who knows their judgment degrades with AI assistance reviews differently from one who does not.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\t\t<div class=\"sp-easy-accordion-block sp-eab-regular-accordion alignwide\"\n\t\t\t\t>\n\t\t\t<div class=\"sp-eab-wrapper sp-eab-vertical-accordion sp-eab-25ed60b84b18\">\n\t\t\t\t\t\t\t\t<div class='sp-eab-accordion sp-eab-mode-vertical sp-eab-vertical-one sp-d-flex' data-accordion-settings=\"{&quot;mode&quot;:&quot;vertical&quot;,&quot;activeEvent&quot;:&quot;click&quot;,&quot;defaultAccordionOpen&quot;:&quot;first-item&quot;,&quot;selectedItemOpen&quot;:0,&quot;openMultiItemAtaTime&quot;:false,&quot;scrollToTopOnLoad&quot;:false,&quot;scrollToTopOnClick&quot;:false,&quot;accordionItemToUrl&quot;:false,&quot;animationEffect&quot;:false,&quot;applyAccessibility&quot;:true}\">\n        \t    \t\n\t\t\t<div\n\t\t\t\tid =\"sp-eab-item-863d652d0b58\"\n\t\t\t\tclass=\"sp-eab-accordion-item eab-item-b84b18\"\n\t\t\t\t\t\t\t>\n\t\t\t\t<div class=\"sp-eab-accordion-item-wrapper\">\n\t\t\t\t\t\t\t\t<h3 class='sp-eab-accordion-heading sp-d-flex sp-align-center eab-heading-b84b18'\n\t\t\t\t\t\t>\n\t\t\t\t<span class='sp-eab-accordion-header-wrapper sp-d-flex sp-align-center eab-icon-position-end'>\n\t\t\t\t\t<span class='sp-eab-accordion-header-start sp-d-flex sp-justify-left sp-align-center'>\n\t\t\t\t\t\t<span class='sp-eab-title-subtitle-wrapper sp-d-flex'>\n\t\t\t\t\t\t\t<span class='sp-eab-accordion-title-wrapper sp-d-flex sp-align-center'>\n\t\t\t\t\t\t\t\t<span class='sp-eab-accordion-title-text'>\n\t\t\t\t\t\t\t\t\tHow secure is AI-generated code?\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<span class='sp-eab-accordion-header-end eab-icon-animated'>\n\t\t\t\t\t\t\t\t\t\t\t\t<span class='sp-eab-expand-collapse-icon sp-d-block'>\n\t\t\t\t\t\t\t<i class='sp-eab-expand-icon eab-icon-angle-down-solid'><\/i>\n\t\t\t\t\t\t\t<i class='sp-eab-collapse-icon eab-icon-angle-up-solid'><\/i>\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t<\/span>\n\t\t\t<\/h3>\n\t\t\t\t\t\t\t<!-- accordion body -->\n\t\t\t\t\t<div class='sp-eab-accordion-content eab-content-b84b18'>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class='sp-eab-accordion-content-wrapper'>\n\t\t\t\t\t\t\t<div class='sp-eab-accordion-body'>\n\t\t\t    \t\t\t\t\n\n<p class=\"wp-block-paragraph\">Veracode&#8217;s 2026 GenAI Code Security Report, covering more than 100 models across four testing snapshots, found an average security pass rate of 56%. Given no security-specific prompting, models introduce a known vulnerability in roughly 44% of generation tasks. Earlier academic work found around 40% of Copilot-generated programs contained vulnerabilities.<\/p>\n\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\n\n\t\t\t<div\n\t\t\t\tid =\"sp-eab-item-3b1a067263ac\"\n\t\t\t\tclass=\"sp-eab-accordion-item eab-item-b84b18\"\n\t\t\t\t\t\t\t>\n\t\t\t\t<div class=\"sp-eab-accordion-item-wrapper\">\n\t\t\t\t\t\t\t\t<h3 class='sp-eab-accordion-heading sp-d-flex sp-align-center eab-heading-b84b18'\n\t\t\t\t\t\t>\n\t\t\t\t<span class='sp-eab-accordion-header-wrapper sp-d-flex sp-align-center eab-icon-position-end'>\n\t\t\t\t\t<span class='sp-eab-accordion-header-start sp-d-flex sp-justify-left sp-align-center'>\n\t\t\t\t\t\t<span class='sp-eab-title-subtitle-wrapper sp-d-flex'>\n\t\t\t\t\t\t\t<span class='sp-eab-accordion-title-wrapper sp-d-flex sp-align-center'>\n\t\t\t\t\t\t\t\t<span class='sp-eab-accordion-title-text'>\n\t\t\t\t\t\t\t\t\tIs AI-generated code getting more secure over time?\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<span class='sp-eab-accordion-header-end eab-icon-animated'>\n\t\t\t\t\t\t\t\t\t\t\t\t<span class='sp-eab-expand-collapse-icon sp-d-block'>\n\t\t\t\t\t\t\t<i class='sp-eab-expand-icon eab-icon-angle-down-solid'><\/i>\n\t\t\t\t\t\t\t<i class='sp-eab-collapse-icon eab-icon-angle-up-solid'><\/i>\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t<\/span>\n\t\t\t<\/h3>\n\t\t\t\t\t\t\t<!-- accordion body -->\n\t\t\t\t\t<div class='sp-eab-accordion-content eab-content-b84b18'>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class='sp-eab-accordion-content-wrapper'>\n\t\t\t\t\t\t\t<div class='sp-eab-accordion-body'>\n\t\t\t    \t\t\t\t\n\n<p class=\"wp-block-paragraph\">Not meaningfully. Veracode&#8217;s tracking across four snapshots shows the security pass rate virtually unchanged year over year, even as coding capability benchmarks improved substantially over the same period. Models became better at producing working code without becoming better at producing safe code.<\/p>\n\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\n\n\t\t\t<div\n\t\t\t\tid =\"sp-eab-item-d98ef1caa3b1\"\n\t\t\t\tclass=\"sp-eab-accordion-item eab-item-b84b18\"\n\t\t\t\t\t\t\t>\n\t\t\t\t<div class=\"sp-eab-accordion-item-wrapper\">\n\t\t\t\t\t\t\t\t<h3 class='sp-eab-accordion-heading sp-d-flex sp-align-center eab-heading-b84b18'\n\t\t\t\t\t\t>\n\t\t\t\t<span class='sp-eab-accordion-header-wrapper sp-d-flex sp-align-center eab-icon-position-end'>\n\t\t\t\t\t<span class='sp-eab-accordion-header-start sp-d-flex sp-justify-left sp-align-center'>\n\t\t\t\t\t\t<span class='sp-eab-title-subtitle-wrapper sp-d-flex'>\n\t\t\t\t\t\t\t<span class='sp-eab-accordion-title-wrapper sp-d-flex sp-align-center'>\n\t\t\t\t\t\t\t\t<span class='sp-eab-accordion-title-text'>\n\t\t\t\t\t\t\t\t\tWhich vulnerabilities does AI-generated code contain most often?\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<span class='sp-eab-accordion-header-end eab-icon-animated'>\n\t\t\t\t\t\t\t\t\t\t\t\t<span class='sp-eab-expand-collapse-icon sp-d-block'>\n\t\t\t\t\t\t\t<i class='sp-eab-expand-icon eab-icon-angle-down-solid'><\/i>\n\t\t\t\t\t\t\t<i class='sp-eab-collapse-icon eab-icon-angle-up-solid'><\/i>\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t<\/span>\n\t\t\t<\/h3>\n\t\t\t\t\t\t\t<!-- accordion body -->\n\t\t\t\t\t<div class='sp-eab-accordion-content eab-content-b84b18'>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class='sp-eab-accordion-content-wrapper'>\n\t\t\t\t\t\t\t<div class='sp-eab-accordion-body'>\n\t\t\t    \t\t\t\t\n\n<p class=\"wp-block-paragraph\">Failure concentrates in context-dependent weaknesses. Testing found 88% of samples vulnerable to log injection and 86% vulnerable to cross-site scripting, against 20% for SQL injection and 14% for insecure cryptography. Java performed worst by language, exceeding a 70% failure rate for secure generation.<\/p>\n\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\n\n\t\t\t<div\n\t\t\t\tid =\"sp-eab-item-7b75f97a282a\"\n\t\t\t\tclass=\"sp-eab-accordion-item eab-item-b84b18\"\n\t\t\t\t\t\t\t>\n\t\t\t\t<div class=\"sp-eab-accordion-item-wrapper\">\n\t\t\t\t\t\t\t\t<h3 class='sp-eab-accordion-heading sp-d-flex sp-align-center eab-heading-b84b18'\n\t\t\t\t\t\t>\n\t\t\t\t<span class='sp-eab-accordion-header-wrapper sp-d-flex sp-align-center eab-icon-position-end'>\n\t\t\t\t\t<span class='sp-eab-accordion-header-start sp-d-flex sp-justify-left sp-align-center'>\n\t\t\t\t\t\t<span class='sp-eab-title-subtitle-wrapper sp-d-flex'>\n\t\t\t\t\t\t\t<span class='sp-eab-accordion-title-wrapper sp-d-flex sp-align-center'>\n\t\t\t\t\t\t\t\t<span class='sp-eab-accordion-title-text'>\n\t\t\t\t\t\t\t\t\tDo developers catch security flaws in AI-generated code?\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<span class='sp-eab-accordion-header-end eab-icon-animated'>\n\t\t\t\t\t\t\t\t\t\t\t\t<span class='sp-eab-expand-collapse-icon sp-d-block'>\n\t\t\t\t\t\t\t<i class='sp-eab-expand-icon eab-icon-angle-down-solid'><\/i>\n\t\t\t\t\t\t\t<i class='sp-eab-collapse-icon eab-icon-angle-up-solid'><\/i>\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t<\/span>\n\t\t\t<\/h3>\n\t\t\t\t\t\t\t<!-- accordion body -->\n\t\t\t\t\t<div class='sp-eab-accordion-content eab-content-b84b18'>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class='sp-eab-accordion-content-wrapper'>\n\t\t\t\t\t\t\t<div class='sp-eab-accordion-body'>\n\t\t\t    \t\t\t\t\n\n<p class=\"wp-block-paragraph\">Less reliably than expected. A user study by Perry and colleagues found participants using AI assistants wrote significantly less secure code while exhibiting a false sense of security, often rating insecure solutions as secure. Confidence rose while correctness fell, which means review quality degrades precisely where more scrutiny is needed.<\/p>\n\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\n\n\t\t\t<div\n\t\t\t\tid =\"sp-eab-item-fb56efafe49e\"\n\t\t\t\tclass=\"sp-eab-accordion-item eab-item-b84b18\"\n\t\t\t\t\t\t\t>\n\t\t\t\t<div class=\"sp-eab-accordion-item-wrapper\">\n\t\t\t\t\t\t\t\t<h3 class='sp-eab-accordion-heading sp-d-flex sp-align-center eab-heading-b84b18'\n\t\t\t\t\t\t>\n\t\t\t\t<span class='sp-eab-accordion-header-wrapper sp-d-flex sp-align-center eab-icon-position-end'>\n\t\t\t\t\t<span class='sp-eab-accordion-header-start sp-d-flex sp-justify-left sp-align-center'>\n\t\t\t\t\t\t<span class='sp-eab-title-subtitle-wrapper sp-d-flex'>\n\t\t\t\t\t\t\t<span class='sp-eab-accordion-title-wrapper sp-d-flex sp-align-center'>\n\t\t\t\t\t\t\t\t<span class='sp-eab-accordion-title-text'>\n\t\t\t\t\t\t\t\t\tShould we still train developers in secure coding?\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<span class='sp-eab-accordion-header-end eab-icon-animated'>\n\t\t\t\t\t\t\t\t\t\t\t\t<span class='sp-eab-expand-collapse-icon sp-d-block'>\n\t\t\t\t\t\t\t<i class='sp-eab-expand-icon eab-icon-angle-down-solid'><\/i>\n\t\t\t\t\t\t\t<i class='sp-eab-collapse-icon eab-icon-angle-up-solid'><\/i>\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t<\/span>\n\t\t\t<\/h3>\n\t\t\t\t\t\t\t<!-- accordion body -->\n\t\t\t\t\t<div class='sp-eab-accordion-content eab-content-b84b18'>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class='sp-eab-accordion-content-wrapper'>\n\t\t\t\t\t\t\t<div class='sp-eab-accordion-body'>\n\t\t\t    \t\t\t\t\n\n<p class=\"wp-block-paragraph\">Yes, with different content. Since AI produces most code and a human still approves every commit, the reviewer is the control point. Training should cover the documented confidence effect, the weakness classes models fail most often, flaws requiring application context the model lacks, and prompting explicitly for security rather than assuming it.<\/p>\n\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>AI writes half of all code and fails security tests 44% of the time. See the failure profile, why capability gains have not helped, and what review must change.<\/p>\n","protected":false},"author":17,"featured_media":15406,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[424],"tags":[],"class_list":["post-15403","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai-cybersecurity"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AI-Generated Code Security: What the Testing Shows<\/title>\n<meta name=\"description\" content=\"AI writes half of all code and fails security tests 44% of the time. 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