What is CVE-2026-4524?

CVE-2026-4524 is a medium-severity vulnerability in Gitlab, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 6.5/10. Published 2026-05-14.

How severe is CVE-2026-4524?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Gitlab

CVE-2026-4524

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9.1 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 access confidential issue content in public pr…

EPSS: 0.000 (1.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Gitlab — versions 18.9.1, 18.10, 18.11

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

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

Frequently asked questions

What is CVE-2026-4524?: CVE-2026-4524 is a medium-severity vulnerability in Gitlab, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 6.5/10. Published 2026-05-14.
How severe is CVE-2026-4524?: Medium severity. CVSS v3 base score is 6.5 out of 10.