Incorrect Privilege Assignment in YouTrack - CVE-2026-103494
Published: October 2, 2026
Vulnerability identifier: #VU153167
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-103494
CWE-ID: CWE-266
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges.
The vulnerability exists due to incorrect privilege assignment in user group membership changes when modifying user group memberships. A remote user can modify user group memberships to escalate privileges.
Affected software
YouTrack
How to mitigate CVE-2026-103494
Install security update from vendor's website.
YouTrack - update to 2026.2.19422