CVE-2026-1456

MEDIUM

Gitlab < 18.7.4 - Resource Allocation Without Limits

Title source: rule
STIX 2.1

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.

References (3)

Scores

CVSS v3 6.5
EPSS 0.0004
EPSS Percentile 11.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (1)
gitlab/gitlab 18.7.0 - 18.7.4 (2 CPE variants)
Published Feb 11, 2026
Tracked Since Feb 18, 2026