What is CVE-2026-2601?

CVE-2026-2601 is a medium-severity vulnerability in Gitlab, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-05-27.

How severe is CVE-2026-2601?

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

Auth bypass in Gitlab

CVE-2026-2601

GitLab has remediated an issue in GitLab EE affecting all versions from 11.5 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed an authenticated user with developer-role permission…

Vulnerability class: Broken Access Control

EPSS: 0.000 (1.5th percentile) — read the EPSS interpretation.

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:L/I:N/A:N.

Affected products

Gitlab — versions 19.0.0, 18.11, 19.0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

cve@gitlab.com (Permissions Required, technical-description, permissions-required, exploit)
cve@gitlab.com (Broken Link)
cve@gitlab.com (Release Notes)

Frequently asked questions

What is CVE-2026-2601?: CVE-2026-2601 is a medium-severity vulnerability in Gitlab, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-05-27.
How severe is CVE-2026-2601?: Medium severity. CVSS v3 base score is 4.3 out of 10.