CVE-2025-9957

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.

CVSS v3.1

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

EPSS

0.38% chance of exploitation in the next 30 days, 31th percentile

Published

2026-04-22

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3275222

References

• CVE Record
• NVD entry

Related

• CVE-2025-9951
• CVE-2025-9958
• CVE-2025-9942
• CVE-2025-9961
• CVE-2025-9941
• CVE-2025-9978