CVE-2025-2937

Public Exploit
Inefficient Regular Expression Complexity in GitLab

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 13.2 before 18.0.6, 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users to create a denial of service condition by sending specially crafted markdown payloads to the Wiki feature.

Remediation

Solution:

  • Upgrade to versions 18.0.6, 18.1.4, 18.2.2 or above.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/528995 broken link issue tracking permissions required
https://hackerone.com/reports/3058879 technical description exploit permissions required

Frequently Asked Questions

What is the severity of CVE-2025-2937?
CVE-2025-2937 has been scored as a medium severity vulnerability.
How to fix CVE-2025-2937?
To fix CVE-2025-2937: Upgrade to versions 18.0.6, 18.1.4, 18.2.2 or above.
Is CVE-2025-2937 being actively exploited in the wild?
It is possible that CVE-2025-2937 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-2025-2937?
CVE-2025-2937 affects GitLab GitLab.
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