CVE-2026-5173
8.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GitLab | GitLab | 16.9.6 < 18.8.9 | affected |
| GitLab | GitLab | 18.9 < 18.9.5 | affected |
| GitLab | GitLab | 18.10 < 18.10.3 | affected |
Weaknesses
- CWE-749: CWE-749: Exposed Dangerous Method or Function
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/588959
- https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/
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