{"id":807,"date":"2026-10-24T08:31:27","date_gmt":"2026-10-24T08:31:27","guid":{"rendered":"https:\/\/techparkcyprus.com\/?p=807"},"modified":"2026-10-24T08:32:27","modified_gmt":"2026-10-24T08:32:27","slug":"node-js-22-24-and-26-security-updates-released","status":"publish","type":"post","link":"https:\/\/techparkcyprus.com\/index.php\/2026\/10\/24\/node-js-22-24-and-26-security-updates-released\/","title":{"rendered":"Node.js 22, 24 and 26: Security Updates Released"},"content":{"rendered":"\n<style>\n#tp-node-2026{--tp-ink:#18232e;--tp-muted:#697584;--tp-line:#e7eaf0;--tp-orange:#ff9b00;--tp-orange-soft:#fff6e8;--tp-panel:#f7f8fa;--tp-blue:#17b5d8;--tp-card:#fff;font-family:Roboto,Arial,Helvetica,sans-serif;color:var(--tp-ink);background:#fff;width:100%;line-height:1.74;font-size:16px;overflow-wrap:break-word}\n#tp-node-2026 *,#tp-node-2026 *::before,#tp-node-2026 *::after{box-sizing:border-box}\n#tp-node-2026 a{color:inherit;text-decoration:none;transition:color .2s ease,background 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span{grid-column:2;grid-row:2;align-self:center;margin-top:3px}#tp-node-2026 .tp-ver-card a{grid-column:1 \/ -1;margin-top:8px}#tp-node-2026 .tp-risk-grid{grid-template-columns:1fr}#tp-node-2026 .tp-featured-risk{padding:18px}#tp-node-2026 .tp-bottom-card{flex-direction:column;align-items:flex-start;padding:22px}#tp-node-2026 .tp-btn{width:100%}#tp-node-2026 .tp-step{grid-template-columns:34px 1fr;gap:12px}#tp-node-2026 .tp-step-num{width:32px;height:32px;border-radius:9px}}\n@media(prefers-reduced-motion:reduce){#tp-node-2026 a,#tp-node-2026 .tp-ver-card{transition:none!important}}\n<\/style>\n\n<article aria-label=\"Node.js October 2026 security updates\" id=\"tp-node-2026\" lang=\"en\">\n<header class=\"tp-hero\">\n<div class=\"tp-shell tp-hero-grid\">\n<div>\n<div class=\"tp-eyebrow\"><span aria-hidden=\"true\" class=\"tp-dot\"><\/span> TECHPARK \/ DEVELOPMENT \/ SECURITY<\/div>\n<h1>Node.js 22, 24 and 26: <span class=\"tp-accent\">Security Updates<\/span> Released<\/h1>\n<p class=\"tp-deck\">The security releases published on October 21, 2026 address important vulnerabilities in the Node.js ecosystem. Here is what changed, which versions to install, and how to update safely.<\/p>\n<div class=\"tp-meta\"><span>October 24, 2026<\/span><i aria-hidden=\"true\"><\/i><span>Development<\/span><i aria-hidden=\"true\"><\/i><span>Approx. 7 min read<\/span><\/div>\n<\/div>\n<div aria-label=\"Updated Node.js versions\" class=\"tp-hero-visual\">\n<div class=\"tp-visual-top\">\n<div style=\"display:flex;align-items:center;gap:12px\"><div aria-hidden=\"true\" class=\"tp-node-mark\">N.<\/div><div><div class=\"tp-mini-eyebrow\">21 OCT 2026<\/div><div class=\"tp-visual-title\">Security release overview<\/div><\/div><\/div>\n<span aria-hidden=\"true\" class=\"tp-signal\"><\/span>\n<\/div>\n<div class=\"tp-release-list\">\n<div class=\"tp-release\"><div><b>Node.js 22.x<\/b><small>Long-Term Support<\/small><\/div><div class=\"tp-version\">v22.23.4 <em>FIXED<\/em><\/div><\/div>\n<div class=\"tp-release\"><div><b>Node.js 24.x<\/b><small>Long-Term Support<\/small><\/div><div class=\"tp-version\">v24.22.1 <em>FIXED<\/em><\/div><\/div>\n<div class=\"tp-release\"><div><b>Node.js 26.x<\/b><small>Current<\/small><\/div><div class=\"tp-version\">v26.12.1 <em>FIXED<\/em><\/div><\/div>\n<\/div>\n<div class=\"tp-visual-foot\"><span>Security bulletin \/ October 2026<\/span><strong>HIGH \u00b7 Highest severity<\/strong><\/div>\n<\/div>\n<\/div>\n<\/header>\n<div class=\"tp-shell tp-article-grid\">\n<nav aria-label=\"Table of contents\" class=\"tp-sidebar\">\n<div class=\"tp-sidebar-title\">ON THIS PAGE<\/div>\n<a href=\"#tp-neden\">Why this update matters<\/a>\n<a href=\"#tp-surumler\">Updated versions<\/a>\n<a href=\"#tp-aciklar\">Key security vulnerabilities<\/a>\n<a href=\"#tp-diger\">Other fixes<\/a>\n<a href=\"#tp-adimlar\">How to update<\/a>\n<a href=\"#tp-sss\">Frequently asked questions<\/a>\n<a href=\"#tp-kaynaklar\">Official sources<\/a>\n<a class=\"tp-source-chip\" href=\"https:\/\/nodejs.org\/en\/blog\/vulnerability\/october-2026-security-releases\" rel=\"noopener noreferrer\" target=\"_blank\"><span aria-hidden=\"true\" class=\"tp-dot\"><\/span> Node.js announcement<\/a>\n<\/nav>\n<div class=\"tp-main\">\n<div class=\"tp-intro\"><p><strong>At a glance:<\/strong> The Node.js team published a security advisory covering <strong>10 CVEs<\/strong> across the 22.x, 24.x and 26.x release lines. Four are rated <strong>High<\/strong>, three Medium, and three Low. Not every vulnerability affects every release line, so choosing the correct patched version matters.<\/p><\/div>\n<section class=\"tp-section\" id=\"tp-neden\">\n<div class=\"tp-kicker\">01 \/ OVERVIEW<\/div>\n<h2>Why does this security update matter?<\/h2>\n<p>Node.js is widely used for web application backends, APIs, automation workflows, and development tools. A vulnerability in the runtime can put systems at risk even when the application code itself has not changed.<\/p>\n<p>The October 21, 2026 update addresses core areas including <strong>DNS resolution, TLS certificate validation, Brotli-compressed data handling, HTTP connection management, and the Permission Model<\/strong>. The highest reported severity is High. This does not mean every system has been compromised, but it does mean that affected environments should be patched promptly.<\/p>\n<div aria-label=\"Security advisory statistics\" class=\"tp-stats\">\n<div class=\"tp-stat\"><strong>3<span>\u00d7<\/span><\/strong><small>Major release lines updated<\/small><\/div>\n<div class=\"tp-stat\"><strong>10<\/strong><small>CVEs covered in the advisory<\/small><\/div>\n<div class=\"tp-stat\"><strong>4<\/strong><small>High-severity vulnerabilities<\/small><\/div>\n<\/div>\n<\/section>\n<section class=\"tp-section\" id=\"tp-surumler\">\n<div class=\"tp-kicker\">02 \/ VERSION GUIDE<\/div>\n<h2>Which Node.js version should you update to?<\/h2>\n<p>The Node.js Project released the patched versions shown below. You can apply the security update within your current major release line. Moving to another major version may require additional compatibility testing.<\/p>\n<div class=\"tp-versions\">\n<div class=\"tp-ver-card\"><small>Node.js 22 series<\/small><strong>22.23.4<\/strong><span>LTS<\/span><a aria-label=\"Node.js 22.23.4 release notes\" href=\"https:\/\/nodejs.org\/en\/blog\/release\/v22.23.4\/\" rel=\"noopener noreferrer\" target=\"_blank\">Release notes<\/a><\/div>\n<div class=\"tp-ver-card\"><small>Node.js 24 series<\/small><strong>24.22.1<\/strong><span>LTS<\/span><a aria-label=\"Node.js 24.22.1 release notes\" href=\"https:\/\/nodejs.org\/en\/blog\/release\/v24.22.1\/\" rel=\"noopener noreferrer\" target=\"_blank\">Release notes<\/a><\/div>\n<div class=\"tp-ver-card\"><small>Node.js 26 series<\/small><strong>26.12.1<\/strong><span>Current<\/span><a aria-label=\"Node.js 26.12.1 release notes\" href=\"https:\/\/nodejs.org\/en\/blog\/release\/v26.12.1\/\" rel=\"noopener noreferrer\" target=\"_blank\">Release notes<\/a><\/div>\n<\/div>\n<p class=\"tp-note\">Note: These are the patched releases from the October 21, 2026 security update. If a newer security patch is available, choose the latest supported patch in the same major release line.<\/p>\n<\/section>\n<section class=\"tp-section\" id=\"tp-aciklar\">\n<div class=\"tp-kicker\">03 \/ SECURITY ANALYSIS<\/div>\n<h2>Four notable high-severity vulnerabilities<\/h2>\n<p>Some vulnerabilities highlighted in the official advisory affect not just application logic, but also network and data layers handled directly by Node.js.<\/p>\n<div class=\"tp-featured-risk\">\n<div class=\"tp-risk-head\"><span class=\"tp-risk-label\">HIGH \u00b7 FEATURED RISK<\/span><span class=\"tp-cve\">CVE-2026-111497<\/span><\/div>\n<h3>Brotli decoder: Memory corruption and remote code execution risk<\/h3>\n<p>Decoding malformed Brotli data can trigger an out-of-bounds memory write. Under certain conditions, attacker-controlled compressed data processed by an application may cause a crash, expose memory contents, or create a risk of remote code execution. <strong>Affected series: 22.x, 24.x and 26.x.<\/strong><\/p>\n<\/div>\n<div class=\"tp-risk-grid\">\n<div class=\"tp-risk-card\"><span class=\"tp-cve\">CVE-2026-105482 \u00b7 HIGH<\/span><h3>NUL character in DNS resolution<\/h3><p><code>dns.resolve*()<\/code> and <code>dns.reverse()<\/code> may truncate hostnames, causing the validated name to differ from the resolved destination. <strong>22 \/ 24 \/ 26<\/strong><\/p><\/div>\n<div class=\"tp-risk-card\"><span class=\"tp-cve\">CVE-2026-105483 \u00b7 HIGH<\/span><h3>Unicode IP notation in TLS validation<\/h3><p>IP addresses written using full-width digits may bypass certificate hostname checks. <strong>24 \/ 26<\/strong><\/p><\/div>\n<div class=\"tp-risk-card\"><span class=\"tp-cve\">CVE-2026-106069 \u00b7 HIGH<\/span><h3>Nonstandard IPv4 addresses<\/h3><p>IPv4 addresses with leading zeroes may cause the connection target and certificate validation to be interpreted differently on certain platforms. <strong>22 \/ 24 \/ 26<\/strong><\/p><\/div>\n<div class=\"tp-risk-card\"><span class=\"tp-cve\">DEVELOPER NOTE<\/span><h3>Risk depends on how the service is used<\/h3><p>For example, a service that decompresses untrusted Brotli input does not face the same exposure as one that processes only controlled internal data. Applying the security patch is still the right first step.<\/p><\/div>\n<\/div>\n<\/section>\n<section class=\"tp-section\" id=\"tp-diger\">\n<div class=\"tp-kicker\">04 \/ ADDITIONAL FIXES<\/div>\n<h2>Other vulnerabilities and dependency updates<\/h2>\n<p>Alongside the high-severity issues, additional Medium- and Low-severity fixes were released:<\/p>\n<ul class=\"tp-bullets\">\n<li><span aria-hidden=\"true\" class=\"tp-list-mark\"><\/span><span><strong>CVE-2026-105481 (Medium):<\/strong> A response received on a keep-alive HTTP socket before a request is sent may be mistakenly accepted as the response to a later request. <strong>22 \/ 24 \/ 26<\/strong><\/span><\/li>\n<li><span aria-hidden=\"true\" class=\"tp-list-mark\"><\/span><span><strong>CVE-2026-106072 (Medium):<\/strong> Incorrect certificate validation against DNS SANs when nonstandard IPv4 notation is used. <strong>22 \/ 24 \/ 26<\/strong><\/span><\/li>\n<li><span aria-hidden=\"true\" class=\"tp-list-mark\"><\/span><span><strong>CVE-2026-106074 (Medium):<\/strong> In startup snapshots, the caches for <code>crypto.randomUUID()<\/code> and <code>randomInt()<\/code> may produce repeated values across processes. <strong>22 \/ 24 \/ 26<\/strong><\/span><\/li>\n<li><span aria-hidden=\"true\" class=\"tp-list-mark\"><\/span><span><strong>CVE-2026-106070 (Low):<\/strong> Unexpected data may be returned when ZIP header validation fails. <strong>26 only<\/strong><\/span><\/li>\n<li><span aria-hidden=\"true\" class=\"tp-list-mark\"><\/span><span><strong>CVE-2026-106071 (Low):<\/strong> Wildcard file-access permissions in the Permission Model may be applied more broadly than intended. <strong>26 only<\/strong><\/span><\/li>\n<li><span aria-hidden=\"true\" class=\"tp-list-mark\"><\/span><span><strong>CVE-2026-106073 (Low):<\/strong> <code>fs.realpathSync()<\/code> may allow Permission Model restrictions to be bypassed. <strong>22 \/ 24 \/ 26<\/strong><\/span><\/li>\n<\/ul>\n<div class=\"tp-soft-banner\"><p><strong>Dependencies were also updated:<\/strong> As part of the security release, <strong>c-ares, CA certificates and Undici<\/strong> were updated across all three release lines; <strong>OpenSSL<\/strong> were updated in the 22 and 24 lines; <strong>SQLite<\/strong> was updated in the 22 line. Updating application packages alone is therefore not a substitute for patching the Node.js runtime.<\/p><\/div>\n<\/section>\n<section class=\"tp-section\" id=\"tp-adimlar\">\n<div class=\"tp-kicker\">05 \/ IMPLEMENTATION GUIDE<\/div>\n<h2>A safe update process for developers<\/h2>\n<p>When planning an update, check the Node.js versions running on servers, in Docker images, and in CI\/CD environments\u2014not just on your development machine.<\/p>\n<div class=\"tp-steps\">\n<div class=\"tp-step\"><div class=\"tp-step-num\">01<\/div><div><h3>Verify the active Node.js version<\/h3><p>First, identify the versions running in development and production. Use the terminal command below to check the active runtime.<\/p><\/div><\/div>\n<\/div>\n<div class=\"tp-code\"><div class=\"tp-codebar\"><span>TERMINAL \u00b7 VERSION CHECK<\/span><div aria-hidden=\"true\" class=\"tp-window-dots\"><i><\/i><i><\/i><i><\/i><\/div><\/div><pre><span class=\"tp-comment\"># Check the active Node.js version<\/span>\n<span class=\"tp-command\">node --version<\/span>\n\n<span class=\"tp-comment\"># Check the installed npm version<\/span>\n<span class=\"tp-command\">npm --version<\/span><\/pre><\/div>\n<div class=\"tp-steps\">\n<div class=\"tp-step\"><div class=\"tp-step-num\">02<\/div><div><h3>Install the patch for your major version<\/h3><p>If you use <code>nvm<\/code>, install the patch for your current major release as shown below. You do not need to run all three commands; choose the one that matches your project.<\/p><\/div><\/div>\n<\/div>\n<div class=\"tp-code\"><div class=\"tp-codebar\"><span>TERMINAL \u00b7 NVM EXAMPLES<\/span><div aria-hidden=\"true\" class=\"tp-window-dots\"><i><\/i><i><\/i><i><\/i><\/div><\/div><pre><span class=\"tp-comment\"># Projects using Node.js 22<\/span>\n<span class=\"tp-command\">nvm install 22.23.4<\/span>\n\n<span class=\"tp-comment\"># Projects using Node.js 24<\/span>\n<span class=\"tp-command\">nvm install 24.22.1<\/span>\n\n<span class=\"tp-comment\"># Projects using Node.js 26<\/span>\n<span class=\"tp-command\">nvm install 26.12.1<\/span>\n\n<span class=\"tp-comment\"># Example: Activate the installed 24.x version<\/span>\n<span class=\"tp-command\">nvm use 24.22.1<\/span><\/pre><\/div>\n<div class=\"tp-steps\">\n<div class=\"tp-step\"><div class=\"tp-step-num\">03<\/div><div><h3>Run dependency and compatibility tests<\/h3><p>Run tests using the Node.js version that will actually power the application. Check unit tests, integration tests, TLS and external service connections, and compressed-content workflows.<\/p><\/div><\/div>\n<div class=\"tp-step\"><div class=\"tp-step-num\">04<\/div><div><h3>Update production deployments<\/h3><p>Review every deployment layer, including Docker base images, CI\/CD runners, server packages, and process managers. Then redeploy the application or restart the relevant services.<\/p><\/div><\/div>\n<div class=\"tp-step\"><div class=\"tp-step-num\">05<\/div><div><h3>Confirm the version actually running in production<\/h3><p>After updating, verify the version of the running production process, not just your local terminal. Monitor logs and service health to confirm the rollout was successful.<\/p><\/div><\/div>\n<\/div>\n<div class=\"tp-soft-banner\"><p><strong>Important distinction:<\/strong> <code>npm audit<\/code> can help detect some vulnerabilities in application dependencies, but it does not automatically patch the Node.js runtime. Both the runtime and package dependencies need their own update processes.<\/p><\/div>\n<\/section>\n<section class=\"tp-section\" id=\"tp-sss\">\n<div class=\"tp-kicker\">06 \/ FAQ<\/div>\n<h2>Frequently asked questions about the Node.js update<\/h2>\n<div class=\"tp-faq\">\n<details><summary>I use Node.js 22, 24 or 26. Do I need to update?<\/summary><p>If you are running an affected version, applying the security patch is strongly recommended. Test your application and dependency compatibility before updating.<\/p><\/details>\n<details><summary>Is updating npm packages enough?<\/summary><p>No. This advisory addresses vulnerabilities in Node.js itself and components distributed with it. Updating npm dependencies does not change your Node.js runtime version.<\/p><\/details>\n<details><summary>What if I use an old, unsupported Node.js version?<\/summary><p>Unsupported releases no longer receive new security patches. Plan a migration to a supported Node.js version and consult the official release schedule.<\/p><\/details>\n<details><summary>Is updating my development machine sufficient?<\/summary><p>No. The version running in production is what matters most. Check Node.js versions in containers, servers, managed platforms, and CI\/CD environments separately.<\/p><\/details>\n<\/div>\n<\/section>\n<section class=\"tp-section\" id=\"tp-kaynaklar\">\n<div class=\"tp-kicker\">07 \/ SOURCES<\/div>\n<h2>Official release notes and security advisory<\/h2>\n<p>This article is based on the Node.js Project security release dated October 21, 2026 and its related official release notes. Always check the latest security advisories before updating.<\/p>\n<ul class=\"tp-source-list\">\n<li>01 \u2014 <a href=\"https:\/\/nodejs.org\/en\/blog\/vulnerability\/october-2026-security-releases\" rel=\"noopener noreferrer\" target=\"_blank\">October 2026 Security Releases \u2014 Node.js Project<\/a><\/li>\n<li>02 \u2014 <a href=\"https:\/\/nodejs.org\/en\/blog\/release\/v22.23.4\/\" rel=\"noopener noreferrer\" target=\"_blank\">Node.js v22.23.4 Release Notes<\/a><\/li>\n<li>03 \u2014 <a href=\"https:\/\/nodejs.org\/en\/blog\/release\/v24.22.1\/\" rel=\"noopener noreferrer\" target=\"_blank\">Node.js v24.22.1 Release Notes<\/a><\/li>\n<li>04 \u2014 <a href=\"https:\/\/nodejs.org\/en\/blog\/release\/v26.12.1\/\" rel=\"noopener noreferrer\" target=\"_blank\">Node.js v26.12.1 Release Notes<\/a><\/li>\n<li>05 \u2014 <a href=\"https:\/\/nodejs.org\/en\/about\/previous-releases\" rel=\"noopener noreferrer\" target=\"_blank\">Node.js release and support schedule<\/a><\/li>\n<\/ul>\n<\/section>\n<\/div>\n<\/div>\n<footer class=\"tp-bottom\">\n<div class=\"tp-shell\"><div class=\"tp-bottom-card\"><div><small>TECHPARK \/ DEVELOPMENT<\/small><h2>Staying up to date is part of secure development.<\/h2><p>Keep track of Node.js updates, test compatibility, and regularly verify the version running in production.<\/p><\/div><a class=\"tp-btn\" href=\"https:\/\/nodejs.org\/en\/blog\/vulnerability\/october-2026-security-releases\" rel=\"noopener noreferrer\" target=\"_blank\">Read the official advisory<\/a><\/div><\/div>\n<\/footer>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>TECHPARK \/ DEVELOPMENT \/ SECURITY Node.js 22, 24 and 26: Security Updates Released The security releases published on October 21, 2026 address important vulnerabilities in the Node.js ecosystem. Here is what changed, which versions to install, and how to update safely. October 24, 2026DevelopmentApprox. 7 min read N. 21 OCT 2026 Security release overview Node.js 22.xLong-Term Support v22.23.4 FIXED Node.js 24.xLong-Term Support v24.22.1 FIXED Node.js 26.xCurrent v26.12.1 FIXED Security bulletin \/ October 2026HIGH \u00b7 Highest severity ON THIS PAGE Why this update matters Updated versions Key security vulnerabilities Other fixes How to update Frequently asked questions Official sources Node.js announcement At a glance: The Node.js team published a security advisory covering 10 CVEs across the 22.x, 24.x and 26.x release lines. Four are rated High, three Medium, and three Low. Not every vulnerability affects every release line, so choosing the correct patched version matters. 01 \/ OVERVIEW Why does this security update matter? Node.js is widely used for web application backends, APIs, automation workflows, and development tools. A vulnerability in the runtime can put systems at risk even when the application code itself has not changed. The October 21, 2026 update addresses core areas including DNS resolution, TLS certificate validation, Brotli-compressed data handling, HTTP connection management, and the Permission Model. The highest reported severity is High. This does not mean every system has been compromised, but it does mean that affected environments should be patched promptly. 3\u00d7Major release lines updated 10CVEs covered in the advisory 4High-severity vulnerabilities 02 \/ VERSION GUIDE Which Node.js version should you update to? The Node.js Project released the patched versions shown below. You can apply the security update within your current major release line. Moving to another major version may require additional compatibility testing. Node.js 22 series22.23.4LTSRelease notes Node.js 24 series24.22.1LTSRelease notes Node.js 26 series26.12.1CurrentRelease notes Note: These are the patched releases from the October 21, 2026 security update. If a newer security patch is available, choose the latest supported patch in the same major release line. 03 \/ SECURITY ANALYSIS Four notable high-severity vulnerabilities Some vulnerabilities highlighted in the official advisory affect not just application logic, but also network and data layers handled directly by Node.js. HIGH \u00b7 FEATURED RISKCVE-2026-111497 Brotli decoder: Memory corruption and remote code execution risk Decoding malformed Brotli data can trigger an out-of-bounds memory write. Under certain conditions, attacker-controlled compressed data processed by an application may cause a crash, expose memory contents, or create a risk of remote code execution. Affected series: 22.x, 24.x and 26.x. CVE-2026-105482 \u00b7 HIGH NUL character in DNS resolution dns.resolve*() and dns.reverse() may truncate hostnames, causing the validated name to differ from the resolved destination. 22 \/ 24 \/ 26 CVE-2026-105483 \u00b7 HIGH Unicode IP notation in TLS validation IP addresses written using full-width digits may bypass certificate hostname checks. 24 \/ 26 CVE-2026-106069 \u00b7 HIGH Nonstandard IPv4 addresses IPv4 addresses with leading zeroes may cause the connection target and certificate validation to be interpreted differently on certain platforms. 22 \/ 24 \/ 26 DEVELOPER NOTE Risk depends on how the service is used For example, a service that decompresses untrusted Brotli input does not face the same exposure as one that processes only controlled internal data. Applying the security patch is still the right first step. 04 \/ ADDITIONAL FIXES Other vulnerabilities and dependency updates Alongside the high-severity issues, additional Medium- and Low-severity fixes were released: CVE-2026-105481 (Medium): A response received on a keep-alive HTTP socket before a request is sent may be mistakenly accepted as the response to a later request. 22 \/ 24 \/ 26 CVE-2026-106072 (Medium): Incorrect certificate validation against DNS SANs when nonstandard IPv4 notation is used. 22 \/ 24 \/ 26 CVE-2026-106074 (Medium): In startup snapshots, the caches for crypto.randomUUID() and randomInt() may produce repeated values across processes. 22 \/ 24 \/ 26 CVE-2026-106070 (Low): Unexpected data may be returned when ZIP header validation fails. 26 only CVE-2026-106071 (Low): Wildcard file-access permissions in the Permission Model may be applied more broadly than intended. 26 only CVE-2026-106073 (Low): fs.realpathSync() may allow Permission Model restrictions to be bypassed. 22 \/ 24 \/ 26 Dependencies were also updated: As part of the security release, c-ares, CA certificates and Undici were updated across all three release lines; OpenSSL were updated in the 22 and 24 lines; SQLite was updated in the 22 line. Updating application packages alone is therefore not a substitute for patching the Node.js runtime. 05 \/ IMPLEMENTATION GUIDE A safe update process for developers When planning an update, check the Node.js versions running on servers, in Docker images, and in CI\/CD environments\u2014not just on your development machine. 01 Verify the active Node.js version First, identify the versions running in development and production. Use the terminal command below to check the active runtime. TERMINAL \u00b7 VERSION CHECK # Check the active Node.js version node &#8211;version # Check the installed npm version npm &#8211;version 02 Install the patch for your major version If you use nvm, install the patch for your current major release as shown below. You do not need to run all three commands; choose the one that matches your project. TERMINAL \u00b7 NVM EXAMPLES # Projects using Node.js 22 nvm install 22.23.4 # Projects using Node.js 24 nvm install 24.22.1 # Projects using Node.js 26 nvm install 26.12.1 # Example: Activate the installed 24.x version nvm use 24.22.1 03 Run dependency and compatibility tests Run tests using the Node.js version that will actually power the application. Check unit tests, integration tests, TLS and external service connections, and compressed-content workflows. 04 Update production deployments Review every deployment layer, including Docker base images, CI\/CD runners, server packages, and process managers. Then redeploy the application or restart the relevant services. 05 Confirm the version actually running in production After updating, verify the version of the running production process, not just your local terminal. Monitor logs and service health to confirm the rollout was successful. Important distinction: npm audit can help detect some vulnerabilities in application dependencies, but it does not automatically<\/p>\n","protected":false},"author":2,"featured_media":808,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[11,21],"tags":[],"class_list":["post-807","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-development","category-programming-languages"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/techparkcyprus.com\/wp-content\/uploads\/2026\/10\/Node.js-Guvenlik-Guncellemeleri-2-1.png","_links":{"self":[{"href":"https:\/\/techparkcyprus.com\/index.php\/wp-json\/wp\/v2\/posts\/807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/techparkcyprus.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techparkcyprus.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techparkcyprus.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/techparkcyprus.com\/index.php\/wp-json\/wp\/v2\/comments?post=807"}],"version-history":[{"count":1,"href":"https:\/\/techparkcyprus.com\/index.php\/wp-json\/wp\/v2\/posts\/807\/revisions"}],"predecessor-version":[{"id":809,"href":"https:\/\/techparkcyprus.com\/index.php\/wp-json\/wp\/v2\/posts\/807\/revisions\/809"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techparkcyprus.com\/index.php\/wp-json\/wp\/v2\/media\/808"}],"wp:attachment":[{"href":"https:\/\/techparkcyprus.com\/index.php\/wp-json\/wp\/v2\/media?parent=807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techparkcyprus.com\/index.php\/wp-json\/wp\/v2\/categories?post=807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techparkcyprus.com\/index.php\/wp-json\/wp\/v2\/tags?post=807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}