PT-2026-40866 · Gitlab · Gitlab Ce/Ee

CVE-2026-4524 · Published 2026-05-14 · Updated 2026-05-18

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 18.9.1 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 Improper authorization checks could allow an authenticated user to access confidential issue content in public projects without proper authorization.

Recommendations Update versions 18.9.1 through 18.9.6 to 18.9.7. Update versions 18.10 through 18.10.5 to 18.10.6. Update versions 18.11 through 18.11.2 to 18.11.3.

Exploit

Fix

Authentication Bypass Using an Alternate Path or Channel

Weakness Enumeration

CWE-288

Related Identifiers

BDU:2026-07019

BIT-GITLAB-2026-4524

CVE-2026-4524

Affected Products

Gitlab Ce/Ee

References · 9

• 🔥 https://hackerone.com/reports/3597717 · Exploit
• https://osv.dev/vulnerability/BIT-gitlab-2026-4524 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-07019 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-4524 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-4524 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-4524 · Security Note
• https://ubuntu.com/security/CVE-2026-4524 · Vendor Advisory
• https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released · Note
• https://gitlab.com/gitlab-org/gitlab/-/work_items/594295 · Note