CVE-2024-0410: Improper Enforcement of Behavioral Workflow in GitLab

Severity: high (CVSS 7.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-02-22 · updated 2026-06-17
Weakness: CWE-841

Description

An authorization bypass vulnerability was discovered in GitLab affecting versions 15.1 prior to 16.7.6, 16.8 prior to 16.8.3, and 16.9 prior to 16.9.1. A developer could bypass CODEOWNERS approvals by creating a merge conflict.

Affected products

GitLab: from 15.1.0 before 16.7.6; from 16.8.0 before 16.8.3; 16.9.0 — fixed in 16.7.6, 16.8.3

How to fix

Upgrade to a fixed version: GitLab 16.7.6, 16.8.3. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/gitlab/-/issues/437988
https://hackerone.com/reports/2296778
https://gitlab.com/gitlab-org/gitlab/-/issues/437988
https://hackerone.com/reports/2296778

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