Unrated severityNVD Advisory· Published Feb 11, 2026· Updated Feb 11, 2026
Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-1456
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- hackerone.com/reports/3517928mitretechnical-descriptionexploitpermissions-required
- gitlab.com/gitlab-org/gitlab/-/issues/587688mitreissue-trackingpermissions-required
- about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/mitre
News mentions
1- GitLab Patch Release: 18.8.4, 18.7.4, 18.6.6GitLab Security Releases · Feb 10, 2026