What is CVE-2026-8667?

CVE-2026-8667 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-08-12.

How severe is CVE-2026-8667?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Gitlab

CVE-2026-8667

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.6 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer role to modify…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Gitlab — versions 17.6, 19.1, 19.2

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cve@gitlab.com
cve@gitlab.com
cve@gitlab.com (technical-description, permissions-required, exploit)

Frequently asked questions

What is CVE-2026-8667?: CVE-2026-8667 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-08-12.
How severe is CVE-2026-8667?: Medium severity. CVSS v3 base score is 4.3 out of 10.