Incorrect authorization in YouTrack - CVE-2026-100276
Published: October 2, 2026
Vulnerability identifier: #VU153153
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-100276
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform restricted workflow actions.
The vulnerability exists due to improper authorization in workflow action visibility restrictions when removing a workflow action's visibility restriction. A remote user can remove the visibility restriction and run the action to perform restricted workflow actions.
Affected software
YouTrack
How to mitigate CVE-2026-100276
Install security update from vendor's website.
YouTrack - update to 2026.2.19197