CVE-2026-5816

Improper Resolution of Path Equivalence in GitLab

CVSS 8 HIGHEPSS 0.4%CWE-41

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.10.4 and 18.11 before 18.11.1 that could have allowed an unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation under certain conditions.

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

Produtos afetados

GitLab · GitLab

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Referências

https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/https://gitlab.com/gitlab-org/gitlab/-/work_items/592816 https://hackerone.com/reports/3572231