CVE-2026-3160 MEDIUM

CVE-2026-3160: Unintended Proxy or Intermediary ('Confused Deputy') in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-441
Published May 14, 2026
Last update May 14, 2026

CVSS base score

5.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.7 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 view Jira issues outside the configured project scope due to an integration filter functioning only as a display control rather than enforcing access boundaries as specified.

Key dates

02Disclosure timeline

May 14, 2026 CVE published
May 14, 2026 Record updated