Incorrect authorization in YouTrack - CVE-2026-100273

 

Incorrect authorization in YouTrack - CVE-2026-100273

Published: October 2, 2026


Vulnerability identifier: #VU153150
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-100273
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to execute arbitrary code.

The vulnerability exists due to improper authorization in the scripts debugger when accessing debugger functionality. A remote user can bypass authorization controls in the scripts debugger to execute arbitrary code.


Affected software

YouTrack

How to mitigate CVE-2026-100273

Install security update from vendor's website.

YouTrack - update to 2026.2.19197

External References

Related Security Bulletins