CVE-2026-5173

Exposed Dangerous Method or Function in GitLab

State: Published
Severity: 8.5 High
Published: Apr 8, 2026
Updated: Apr 9, 2026
Reserved: Mar 30, 2026

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.9.6 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to invoke unintended server-side methods through websocket connections due to improper access control.

Scores

CVSS	Score	Vector	Source
3.1	8.5 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N	GitLab

Weaknesses

CWE-749 Exposed Dangerous Method or Function

Affected Products

Product	Versions
GitLabGitLab	16.9.6 to before 18.8.9Affected 18.9 to before 18.9.5Affected 18.10 to before 18.10.3Affected

References

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