What is CVE-2026-6277?

CVE-2026-6277 is a medium-severity vulnerability, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-06-11.

How severe is CVE-2026-6277?

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

CVE-2026-6277

CVE-2026-6277

GitLab has remediated an issue in GitLab EE affecting all versions from 13.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with Security Manager-role per…

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.

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cve@gitlab.com
cve@gitlab.com
cve@gitlab.com

Frequently asked questions

What is CVE-2026-6277?: CVE-2026-6277 is a medium-severity vulnerability, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-06-11.
How severe is CVE-2026-6277?: Medium severity. CVSS v3 base score is 4.3 out of 10.