Security Advisory

CVE-2026-3254

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-22 16:29:48

Last updated 2026-04-22 17:39:44

Assigner GitLab

State PUBLISHED

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user to load unauthorized content into another users browser due to improper input validation in the Mermaid sandbox.

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