CVE-2025-2937

Inefficient Regular Expression Complexity in GitLab

State: Published
Severity: 6.5 Medium
Published: Aug 13, 2025
Updated: Aug 13, 2025
Reserved: Mar 28, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	GitLab

Weaknesses

CWE-1333 Inefficient Regular Expression Complexity

Affected Products

Product	Versions
GitLabGitLab	13.2 to before 18.0.6Affected 18.1 to before 18.1.4Affected 18.2 to before 18.2.2Affected

References

GitLab Issue #528995issue-trackingpermissions-required
HackerOne Bug Bounty Report #3058879technical-descriptionexploitpermissions-required

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