CVE-2026-1456

MEDIUM

6.5

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.

Details CVE

Score CVSS v3.16.5

SeveriteMEDIUM

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie2/11/2026

Derniere modification2/12/2026

Sourcenvd

Observations honeypot0

Produits affectes

gitlab:gitlab

Faiblesses (CWE)

CWE-770

References

https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/(cve@gitlab.com)

https://gitlab.com/gitlab-org/gitlab/-/issues/587688(cve@gitlab.com)

https://hackerone.com/reports/3517928(cve@gitlab.com)

Correlations IOC

Aucune correlation enregistree

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