CVE-2026-1456 MEDIUM

CVE-2026-1456: Allocation of Resources Without Limits or Throttling in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-770 · Uncontrolled resource consumption
Published February 11, 2026
Last update February 11, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 11, 2026 CVE published
February 11, 2026 Record updated