PT-2026-40853 · Gitlab · Gitlab

Published 2026-05-14 · Updated 2026-05-14 · CVE-2025-13874

NVD

CVSS v3.1

4.3

Medium

Base vector

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

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with Guest permissions to view issues in projects they were not authorized to access.

Exploit

Fix

IDOR

Weakness Enumeration

CWE-639

Related Identifiers

CVE-2025-13874

Affected Products

Gitlab

References · 4

• 🔥 https://hackerone.com/reports/3445398 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-13874 · Security Note
• https://gitlab.com/gitlab-org/gitlab/-/work_items/582634 · Note
• https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released · Note