CVE-2026-13113 Time-of-check Time-of-use (TOCTOU) Race Condition in GitLab

Medium 6.5 Published Updated

An authenticated user can bypass approval requirements to merge code into protected branches due to a race condition in GitLab.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-13113?

CVE-2026-13113 is a medium-severity vulnerability in Gitlab Gitlab, published on 29 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

GitLab has remediated an issue in GitLab EE affecting all versions from 17.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to merge code into a protected branch without the required approvals due to a race condition in approval rule processing.

Weakness: CWE-367

Which versions are affected by CVE-2026-13113?

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

PackageAffectedFixed in
gitlab BitnamiFrom 17.0.019.0.5, 19.1.3, 19.2.1

Products include Gitlab Gitlab.

How do I fix CVE-2026-13113?

Upgrade gitlab to a fixed version for your release line: 19.0.5, 19.1.3 or 19.2.1.

Is CVE-2026-13113 being exploited?

There is no known exploitation of CVE-2026-13113 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2026-13113, GHSA-629v-rwjx-m485, MINI-3g4g-hw6j-46vm, MINI-p7px-2q97-r633.

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