CVE-2024-5258: Authorization Bypass Through User-Controlled Key in GitLab

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-05-23 · updated 2026-06-17
Weakness: CWE-639

Description

An authorization vulnerability exists within GitLab from versions 16.10 before 16.10.6, 16.11 before 16.11.3, and 17.0 before 17.0.1 where an authenticated attacker could utilize a crafted naming convention to bypass pipeline authorization logic.

Affected products

GitLab: from 16.10.0 before 16.10.6; from 16.11.0 before 16.11.3; 17.0.0 — fixed in 16.10.6, 16.11.3

How to fix

Upgrade to a fixed version: GitLab 16.10.6, 16.11.3. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/gitlab/-/issues/443254
https://gitlab.com/gitlab-org/gitlab/-/issues/443254

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