6.5
/ 10
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through CPU exhaustion by submitting specially crafted markdown files that trigger exponential processing in markdown preview.
Basic Information
ID
CVE-2026-1456
Source
GitLab
Published
Feb 11, 2026 at 11:04
Affected Product
Vendor
GitLab
Product
GitLab
Version
18.7
Affected Versions
GitLab GitLab 18.7
GitLab GitLab 18.8
GitLab GitLab 18.8