CVE-2026-2900

Missing Authorization in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 16.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that when instance-level approval rule editing prevention was enabled, could have allowed an authenticated user with Maintainer permissions to modify or delete project approval rules due to missing authorization checks.

Affected

GitLab

CVSS v3.1 GITLAB

2.7 LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

EPSS

0.44% chance of exploitation in the next 30 days, 37th percentile

Published

2026-05-14

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3561092

Security advisories

• https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released

References

• CVE Record
• NVD entry