CVE-2025-3396

Public Exploit
Incorrect Authorization in GitLab

Description

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 manipulating API requests.

Remediation

Solution:

  • Upgrade to versions 17.11.6, 18.0.4, 18.1.2 or above.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/534636 permissions required issue tracking
https://hackerone.com/reports/3079956 technical description exploit permissions required

Frequently Asked Questions

What is the severity of CVE-2025-3396?
CVE-2025-3396 has been scored as a medium severity vulnerability.
How to fix CVE-2025-3396?
To fix CVE-2025-3396: Upgrade to versions 17.11.6, 18.0.4, 18.1.2 or above.
Is CVE-2025-3396 being actively exploited in the wild?
It is possible that CVE-2025-3396 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-3396?
CVE-2025-3396 affects GitLab GitLab.
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