CVE-2026-6269

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to modify hidden merge requests due to incorrect authorization enforcements.

CVSS v3.1

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

0.19% chance of exploitation in the next 30 days, 8th percentile

Published

2026-06-11

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3661880

References

• CVE Record
• NVD entry

Related

• CVE-2026-62685
• CVE-2026-6271
• CVE-2026-62684
• CVE-2026-62735
• CVE-2026-6268
• CVE-2026-62737