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CVE-2026-1456

—
CVSS 3.1
7.5 high
EPSS
<1%p30
Published
()
Modified
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.

Vendors
gitlab
Products
gitlab
Weakness
CWE-770
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVE.org GitHub PoCs EPSS (0.4%)

In the news

No ingested article mentions this CVE yet.