CVE-2026-6821

Missing Authorization in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 12.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user to bypass IP-based access restrictions and read limited merge request information from a private project due to missing authorization checks in a merge requests API endpoint.

Affected

GitLab

CVSS v3.1 GITLAB

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

EPSS

0.36% chance of exploitation in the next 30 days, 28th percentile

Published

2026-08-12

Updated

2026-08-13

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3674254

Security advisories

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released

References

• CVE Record
• NVD entry