CVE-2025-9957

LOW severity · CVSS 2.7 · Incorrect authorization

2.7CVSS LOW

Summary

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.2 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user with project owner permissions to bypass group fork prevention settings due to improper authorization checks.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredHigh

User interactionNone

Confidentiality impactNone

Integrity impactLow

Availability impactNone

Exploit probability (EPSS)0%

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

Affected products we track (1)

GitLab

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Additional information

NVD record
https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/567781
https://hackerone.com/reports/3275222