What is CVE-2025-3396?

CVE-2025-3396 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2025-07-10.

How severe is CVE-2025-3396?

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

Is CVE-2025-3396 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Gitlab

CVE-2025-3396

An issue has been discovered in GitLab EE affecting all versions from 13.3 before 17.11.6, 18.0 before 18.0.4, and 18.1 before 18.1.2 that could have allowed authenticated project owners to bypass group-level forking restrictions by manipu…

Vulnerability class: Broken Access Control

EPSS: 0.003 (21.2th 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 13.3, 18.0, 18.1

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

Public proof-of-concept exploits

ARPSyndicate/cve-scores

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-2025-3396?: CVE-2025-3396 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2025-07-10.
How severe is CVE-2025-3396?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2025-3396 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.