CVE-2026-3035 MEDIUM

CVE-2026-3035: Authentication Bypass Using an Alternate Path or Channel in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-288
Published August 26, 2026
Last update August 26, 2026

CVSS base score

5.5/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

GitLab has remediated an issue in GitLab EE affecting all versions from 11.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with project Maintainer permissions could have accessed the terminal of a protected environment they were not authorized to use due to improper authorization checks.

Key dates

02Disclosure timeline

August 26, 2026 CVE published
August 26, 2026 Record updated

Related vulnerabilities

04Related CVE