CVE-2025-2937

Inefficient Regular Expression Complexity in GitLab

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.

Affected

GitLab

CVSS v3.1 GITLAB

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.39% chance of exploitation in the next 30 days, 31st percentile

Published

2025-08-13

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3058879

References

• CVE Record
• NVD entry