{"id":"CVE-2026-97229","published":"2026-10-13T02:17:00Z","modified":"2026-10-31T00:16:52Z","title":"GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound Vulnerability","vendor":"GitLab","product":"Community Edition and Enterprise Edition","tier":"core","eol":null,"description":{"text":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an unauthenticated user to execute arbitrary code on the GitLab server via a specially crafted regular expression in a CI/CD configuration, due to insufficient regular expression validation.","provenance":"source","from":"NVD"},"summary":{"text":"GitLab Community Edition and Enterprise Edition contain an input validation flaw, caused by insufficient regular expression validation, in the CI/CD configuration handling of affected releases. An unauthenticated remote attacker could, under certain conditions, exploit this by supplying a specially crafted regular expression in a CI/CD configuration to execute arbitrary code on the GitLab server.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-30T13:35:36Z"},"cvss":{"score":10.0,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.26569,"percentile":0.98015,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2026-10-29","dueDate":"2026-11-01","ransomware":false,"requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","notes":"Other products can potentially be affected by the same underlying Ruby/Onigmo Integer Overflow issue in CI/CD Regular Expression Compiler. For more information please see: https://www.ruby-lang.org/en/news/2026/10/23/regexp-fixes-for-gitlab-cves ; https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-97229","provenance":"source"},"vulncheckKev":{"dateAdded":"2026-10-28","exploitedFirstSeen":"2026-10-28","ransomware":false,"evidence":[{"url":"https://alpinelinux.org/posts/GitLab-security-incident-CVE-2026-97229.html","date":"2026-10-28"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2026-10-29"}],"evidenceTotal":2,"provenance":"source"},"exploited":true,"otx":{"pulseCount":17,"pulses":[{"name":"Actively_Exploited_Kev | Oct 31, 2026","url":"https://otx.alienvault.com/pulse/6ae4aefab0c2191cecd41862","created":"2026-10-30"},{"name":"CVE-2026-102764: Critical BeyondTrust Remote Support Authentication Bypass Exploited in the Wild","url":"https://otx.alienvault.com/pulse/6ad9e59054fad0d59ecf53a7","created":"2026-10-22"},{"name":"NetScaler intrusions chaining CVE-2026-88771 and CVE-2026-88779","url":"https://otx.alienvault.com/pulse/6ad9e56501231f12ba7e0b5e","created":"2026-10-22"},{"name":"PyPI Becomes a Distribution Channel for Crimeware: The Case of 'saeka,' a Carding Automation Tool.","url":"https://otx.alienvault.com/pulse/6ad7cd3ea852b96a1ec71460","created":"2026-10-20"},{"name":"Known_Cve | Oct 21, 2026 | Part 2/4","url":"https://otx.alienvault.com/pulse/6ad7813c340f998d3db4d0bb","created":"2026-10-20"},{"name":"CVE-2026-102764: Critical BeyondTrust Remote Support Authentication Bypass Exploited in the Wild","url":"https://otx.alienvault.com/pulse/6ad71c12c5136d952c0cda96","created":"2026-10-20"},{"name":"NetScaler intrusions chaining CVE-2026-88771 and CVE-2026-88779","url":"https://otx.alienvault.com/pulse/6ad71b768e708ffb59419b43","created":"2026-10-20"},{"name":"Known_Cve | Oct 20, 2026 | Part 2/4","url":"https://otx.alienvault.com/pulse/6ad62f708ed98220bccde9c8","created":"2026-10-19"},{"name":"Known_Cve | Oct 19, 2026 | Part 2/4","url":"https://otx.alienvault.com/pulse/6ad4ddae89608f8a66f58915","created":"2026-10-18"},{"name":"Known_Cve | Oct 18, 2026 | Part 2/4","url":"https://otx.alienvault.com/pulse/6ad38c2e0aa0d5de6ee8bb52","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-190","name":"Integer Overflow or Wraparound"}],"references":[{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/","tags":["Release Notes","Vendor Advisory"]},{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/630686","tags":["Broken Link"]},{"url":"https://hackerone.com/reports/4055749","tags":["Permissions Required"]},{"url":"https://hackerone.com/reports/4058589","tags":["Permissions Required"]},{"url":"https://github.com/rapid7/metasploit-framework/pull/22017","tags":[]},{"url":"https://www.ruby-lang.org/en/news/2026/10/23/regexp-fixes-for-gitlab-cves/","tags":[]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-97229","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: unauthenticated remote exploit of public-facing GitLab server","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"could have allowed an unauthenticated user to execute arbitrary code on the GitLab server","start":170,"end":259}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1059","name":"Command and Scripting Interpreter","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: arbitrary code execution on server","mappingType":"primary_impact","evidence":[{"from":"description","quote":"execute arbitrary code on the GitLab server via a specially crafted regular expression","start":216,"end":302}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-98214","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-98214","exploited":true,"exploitedSince":"2026-10-29","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":6,"skipped":0,"earliest":"2026-10-13","earliestUrl":"https://github.com/AmpedWasTaken/CVE-2026-97229-GitLab-CI-CD-Regex-Compiler-RCE","repos":[{"name":"jburgess-r7/CVE-2026-97229-PoC","url":"https://github.com/jburgess-r7/CVE-2026-97229-PoC","stars":64,"created":"2026-10-13"},{"name":"gandli/cve-2026-97229-lab","url":"https://github.com/gandli/cve-2026-97229-lab","stars":1,"created":"2026-10-17"},{"name":"murat-levi/gitlab-rce-toolkit","url":"https://github.com/murat-levi/gitlab-rce-toolkit","stars":1,"created":"2026-10-29"},{"name":"AmpedWasTaken/CVE-2026-97229-GitLab-CI-CD-Regex-Compiler-RCE","url":"https://github.com/AmpedWasTaken/CVE-2026-97229-GitLab-CI-CD-Regex-Compiler-RCE","stars":0,"created":"2026-10-13"},{"name":"Noshadi-sec/CVE-2026-97229","url":"https://github.com/Noshadi-sec/CVE-2026-97229","stars":0,"created":"2026-10-26"}]},"metasploit":[{"name":"GitLab CI/CD RegExp Integer Overflow Remote Code Execution","module":"exploit/multi/http/gitlab_cicd_regexp_rce_cve_2026_97229","type":"exploit","disclosureDate":"2026-10-12","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/gitlab_cicd_regexp_rce_cve_2026_97229.rb"}],"first":{"date":"2026-10-12","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/gitlab_cicd_regexp_rce_cve_2026_97229.rb"},"provenance":"source"},"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2026-10-12","kind":"exploit-public","label":"First public exploit: Metasploit; later: PoC-in-GitHub 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