What is CVE-2026-5952?

CVE-2026-5952 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-06-25.

How severe is CVE-2026-5952?

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

Auth bypass in Gitlab

CVE-2026-5952

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.11 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with developer-role permissi…

Vulnerability class: Broken Access Control

EPSS: 0.002 (11.0th 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:N/I:L/A:N.

Affected products

Gitlab — versions 17.11, 19.0, 19.1

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-2026-5952?: CVE-2026-5952 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-06-25.
How severe is CVE-2026-5952?: Medium severity. CVSS v3 base score is 4.3 out of 10.