Vulnerability in GitLab

CVE-2026-3035

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.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3035?
CVE-2026-3035 is a medium-severity vulnerability in GitLab, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 5.5/10. Published 2026-08-26.
How severe is CVE-2026-3035?
Medium severity. CVSS v3 base score is 5.5 out of 10.