What is CVE-2025-5315?

CVE-2025-5315 is a medium-severity vulnerability in Gitlab, classified under Missing Authorization. CVSS score: 4.3/10. Published 2025-06-26.

How severe is CVE-2025-5315?

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

Auth bypass in Gitlab

CVE-2025-5315

An issue has been discovered in GitLab CE/EE affecting all versions from 17.2 before 17.11.5, 18.0 before 18.0.3, and 18.1 before 18.1.1 that could have allowed authenticated users with Guest role permissions to add child items to incident work items by sending crafted API requests that bypassed UI-enforced role restrictions.

Vulnerability class: Broken Access Control

EPSS: 0.002 (12.8th 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 18.1, 18.1.0, 17.2

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

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

Frequently asked questions

What is CVE-2025-5315?: CVE-2025-5315 is a medium-severity vulnerability in Gitlab, classified under Missing Authorization. CVSS score: 4.3/10. Published 2025-06-26.
How severe is CVE-2025-5315?: Medium severity. CVSS v3 base score is 4.3 out of 10.