What is CVE-2025-13874?

CVE-2025-13874 is a medium-severity vulnerability in Gitlab, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-05-14.

How severe is CVE-2025-13874?

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

Auth bypass in Gitlab

CVE-2025-13874

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with Guest permissions to view issues in projects t…

Vulnerability class: IDOR (Insecure Direct Object Reference)

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 15.1, 18.10, 18.11

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

cve@gitlab.com (Permissions Required, technical-description, permissions-required, exploit)
cve@gitlab.com (Not Applicable)
cve@gitlab.com (Release Notes)

Frequently asked questions

What is CVE-2025-13874?: CVE-2025-13874 is a medium-severity vulnerability in Gitlab, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-05-14.
How severe is CVE-2025-13874?: Medium severity. CVSS v3 base score is 4.3 out of 10.