CVE-2026-5173

HIGH

8.5

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.

CVE Details

CVSS v3.1 Score8.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/8/2026

Last Modified4/8/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-749

References

https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/(cve@gitlab.com)

https://gitlab.com/gitlab-org/gitlab/-/work_items/588959(cve@gitlab.com)

IOC Correlations

No correlations recorded

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