Missing Authorization in YouTrack - CVE-2025-53959
Published: July 15, 2025 / Updated: August 17, 2026
Vulnerability identifier: #VU143911
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-2025-53959
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to spoof email messages.
The vulnerability exists due to improper authorization in an administrative API when handling API requests. A remote user can send crafted requests to spoof email messages.
Affected software
YouTrack
How to mitigate CVE-2025-53959
Install security update from vendor's website.
YouTrack - addressed in versions 2024.3.85077, 2025.1.86199, 2025.2.86069