CVE-2023-6489

Inefficient Regular Expression Complexity in GitLab

State: Published
Severity: 4.3 Medium
Published: Apr 12, 2024
Updated: Aug 14, 2026
Reserved: Dec 4, 2023

Description

A denial of service vulnerability was identified in GitLab CE/EE, versions 16.7.7 prior to 16.8.6, 16.9 prior to 16.9.4 and 16.10 prior to 16.10.2 which allows an attacker to spike the GitLab instance resources usage resulting in service degradation via chat integration feature.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	GitLab

Weaknesses

CWE-1333 Inefficient Regular Expression Complexity

Affected Products

Product	Versions
GitLabGitLab	16.7.7 to before 16.8.6Affected 16.9 to before 16.9.4Affected 16.10 to before 16.10.2Affected

References

GitLab Issue #433520issue-trackingpermissions-required
HackerOne Bug Bounty Report #2262450technical-descriptionexploitpermissions-requiredbroken-link

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