What is CVE-2026-6883?

CVE-2026-6883 is a low-severity vulnerability in Gitlab, classified under Missing Authorization. CVSS score: 2.6/10. Published 2026-05-14.

How severe is CVE-2026-6883?

Low severity. CVSS v3 base score is 2.6 out of 10.

Auth bypass in Gitlab

CVE-2026-6883

GitLab has remediated an issue in GitLab EE affecting all versions from 15.7 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 bypass merge request approval requirements due to i…

Vulnerability class: Broken Access Control

EPSS: 0.000 (1.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.6 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N.

Affected products

Gitlab — versions 15.7, 18.10, 18.11

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

cve@gitlab.com (Not Applicable)
cve@gitlab.com (Release Notes)

Frequently asked questions

What is CVE-2026-6883?: CVE-2026-6883 is a low-severity vulnerability in Gitlab, classified under Missing Authorization. CVSS score: 2.6/10. Published 2026-05-14.
How severe is CVE-2026-6883?: Low severity. CVSS v3 base score is 2.6 out of 10.