High [CVE-2026-5173] 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…
This high-severity GitLab advisory covers CVE-2026-5173 affecting GitLab CE.
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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.
- 16.9.6
- 18.8.9
- 18.9
- 18.9.5
- 18.10
- 18.10.3
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 18.8.9
- 18.9.5
- 18.10.3
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation
Upgrade to a fixed release: 18.8.9, 18.9.5, 18.10.3. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Discussion(0)
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