CVE-2026-4879

Missing Authorization in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 16.0 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 with developer-role permissions to view external status check configuration restricted to higher-privileged roles due to missing authorization on a merge request 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

0.33% chance of exploitation in the next 30 days, 25th percentile

Published

2026-08-12

Updated

2026-08-13

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3622861

Security advisories

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

References

• CVE Record
• NVD entry