CVE-2026-97229

CRITICAL CISA KEV 5 PoCs
ACT NOW Priority: 1.84 BB Relevance: 94/100
Published: 2026-10-13 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Changed
C: High
I: High
A: High

Description

GitLab Community Edition and Enterprise Edition contain a integer overflow or wraparound vulnerability that could allow 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.

CISA Known Exploited Vulnerability

Vendor / Product GitLab — Community Edition and Enterprise Edition
Date Added 2026-10-29
Remediation Due 2026-11-01
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

Affected Software (8)

VendorProductVersion
GitLab GitLab 19.2 < 19.2.8
GitLab GitLab 19.3 < 19.3.5
GitLab GitLab 19.4 < 19.4.2
GitLab GitLab 19.2 < 19.2.8
GitLab GitLab 19.3 < 19.3.5
GitLab GitLab 19.4 < 19.4.2
gitlab gitlab 19.2.0 – 19.2.8
gitlab gitlab 19.2.0 – 19.2.8

Bug Bounty Relevance

94 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction
✓ PoC available (5)
✓ Known exploited (KEV)

CVSS Score

10.0 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploitation Probability

18.43%
Raw Score 0.184270
Percentile 97.2%
Date 2026-10-29

Intelligence Sources

kev ref →
mitre ref →
nvd ref →