CVE-2026-4524

Authentication Bypass Using an Alternate Path or Channel in GitLab

CVSS 6.5 MEDIUMEPSS 0.3%CWE-288

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to access confidential issue content in public projects without proper authorization due to improper authorization checks.

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

Productos afectados

GitLab · GitLab

PoCs públicas encontradas — 2

githubgithub.com/CyruxSec/CVE-2026-4524★ 0 cve_referencehackerone.com/reports/3597717no verificado

⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.

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Referencias

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/https://gitlab.com/gitlab-org/gitlab/-/work_items/594295 https://hackerone.com/reports/3597717