PT-2026-40853 · Gitlab · Gitlab Ce/Ee

CVE-2025-13874 · Published 2026-05-14 · Updated 2026-05-18

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 15.1 through 18.9.6 GitLab CE/EE versions 18.10 through 18.10.5 GitLab CE/EE versions 18.11 through 18.11.2

Description An issue exists where an authenticated user with Guest permissions can view issues in projects they are not authorized to access.

Recommendations Update GitLab CE/EE to version 18.9.7 or later. Update GitLab CE/EE to version 18.10.6 or later. Update GitLab CE/EE to version 18.11.3 or later.

Exploit

Fix

IDOR

Weakness Enumeration

CWE-639

Related Identifiers

BDU:2026-07008

BIT-GITLAB-2025-13874

CVE-2025-13874

Affected Products

Gitlab Ce/Ee

References · 11

• 🔥 https://hackerone.com/reports/3445398 · Exploit
• https://cve.org/CVERecord?id=CVE-2025-13874 · Security Note
• https://ubuntu.com/security/CVE-2025-13874 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-13874 · Security Note
• https://bdu.fstec.ru/vul/2026-07008 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-13874 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-gitlab-2025-13874 · Vendor Advisory
• 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
• https://t.me/cveNotify/163402 · Telegram Post
• https://t.me/cveNotify/163736 · Telegram Post