CVE-2026-5816

—

CVSS 3.1

8.1 high

EPSS

<1%p34

Published

Apr 22, 2026 (Apr 22, 2026)

Modified

Jun 17, 2026

Description

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.

Vendors: gitlab
Products: gitlab
Weakness: CWE-41
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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