Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.0 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.
Scores
CVSS v3
7.5
EPSS
0.0203
EPSS Percentile
83.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-1333
Status
published
Products (1)
gitlab/gitlab
12.0.0 - 15.10.8 (2 CPE variants)
Published
Jun 07, 2023
Tracked Since
Feb 18, 2026