CVE-2026-4879

Missing Authorization in GitLab

State: Published
Severity: 4.3 Medium
Published: Aug 12, 2026
Updated: Aug 13, 2026
Reserved: Mar 26, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	GitLab

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
GitLabGitLab	16.0 to before 19.0.6Affected 19.1 to before 19.1.4Affected 19.2 to before 19.2.2Affected

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/594839
HackerOne Bug Bounty Report #3622861technical-descriptionexploitpermissions-required
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/

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