CVE-2026-19619

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an unauthenticated user to execute arbitrary JavaScript in the context of a targeted user's session due to improper sanitization of pasted HTML content in the Content Editor.

• CWE-79

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/Release Notes, Vendor Advisory
• https://gitlab.com/gitlab-org/gitlab/-/work_items/612792Broken Link
• https://hackerone.com/reports/3808840Permissions Required

Published

Sep 16, 2026

Last Modified

Sep 28, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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