CVE-2026-1090

HIGH

8.7

Beschreibung

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user, when the `markdown_placeholders` feature flag was enabled, to inject JavaScript in a browser due to improper sanitization of placeholder content in markdown processing.

CVE Details

CVSS v3.1 Bewertung8.7

SchweregradHIGH

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienLOW

BenutzerinteraktionREQUIRED

Veroffentlicht3/11/2026

Zuletzt geandert3/13/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

gitlab:gitlab

Schwachen (CWE)

CWE-79

Referenzen

https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/(cve@gitlab.com)

https://gitlab.com/gitlab-org/gitlab/-/work_items/586478(cve@gitlab.com)

https://hackerone.com/reports/3502450(cve@gitlab.com)

IOC Korrelationen

Keine Korrelationen erfasst

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