CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound

Exploited in the wild Critical 10.0 Published 13 Oct 2026 Updated 29 Oct 2026

An unauthenticated attacker can execute arbitrary code on the GitLab server by submitting a specially crafted regular expression in CI/CD configurations.

Exploited in the wild: Since 29 Oct 2026
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2026-97229?

CVE-2026-97229 is a critical vulnerability in Gitlab Gitlab, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-190

Which versions are affected by CVE-2026-97229?

1 open source package ship an affected version, including gitlab. It affects 1 product.

Package	Affected	Fixed in
`gitlab` Bitnami	From `19.2.0`	`19.2.8, 19.3.5, 19.4.2`

Products include Gitlab Gitlab.

How do I fix CVE-2026-97229?

Upgrade gitlab to a fixed version for your release line: 19.2.8, 19.3.5 or 19.4.2. US federal agencies must fix it by 1 Nov 2026.

Is CVE-2026-97229 being exploited?

Yes. Attackers have exploited CVE-2026-97229 in the wild since at least 29 Oct 2026.

Public exploit code: 6 proofs of concept on GitHub.

All Gitlab Gitlab vulnerabilities

Sources

Also known as ALPINE-CVE-2026-97229, AZL-111074, BELL-CVE-2026-97229, BIT-gitlab-2026-97229, DEBIAN-CVE-2026-97229, GHSA-9hj5-r43h-h3xg and 10 more.