Infinite loop in YouTrack - CVE-2026-103492
Published: October 2, 2026
Vulnerability identifier: #VU153159
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-103492
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to a loop with an unreachable exit condition in PSD attachment processing when processing crafted PSD attachments. A remote attacker can submit a crafted PSD attachment to cause a denial of service.
Affected software
YouTrack
How to mitigate CVE-2026-103492
Install security update from vendor's website.
YouTrack - update to 2026.2.19422