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CVE-2026-1456

nvd nist
Published: Feb 11, 2026Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

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 (4)

Products: Gitlab: Gitlab
Gitlab
1 product
Gitlab
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Gitlab
Gitlab
From 18.7.0 to 18.7.4
Gitlab
From 18.8.0 to 18.8.4
Gitlab
From 18.7.0 to 18.7.4
Gitlab
From 18.8.0 to 18.8.4

Related CWEs

CWE-770
Allocation of Resources Without Limits or Throttling
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

References (3)

Source: cve@gitlab.com
Release NotesVendor Advisory
Source: cve@gitlab.com
Broken LinkIssue Tracking
Source: cve@gitlab.com
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Timeline

No history available yet.