CVE-2026-1388

HIGH

7.5

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an unauthenticated user to cause regular expression denial of service by sending specially crafted input to a merge request endpoint under certain conditions.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie2/25/2026

Derniere modification2/28/2026

Sourcenvd

Observations honeypot0

Produits affectes

gitlab:gitlab

Faiblesses (CWE)

CWE-1333

References

https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/(cve@gitlab.com)

https://gitlab.com/gitlab-org/gitlab/-/issues/587560(cve@gitlab.com)

https://hackerone.com/reports/3482893(cve@gitlab.com)

Correlations IOC

Aucune correlation enregistree

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