Server-Side Request Forgery (SSRF) in YouTrack - CVE-2026-100279
Published: October 2, 2026
Vulnerability identifier: #VU153156
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-100279
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose stored credentials.
The vulnerability exists due to server-side request forgery in integration URL handling when changing an integration URL. A remote user can change an integration URL to disclose stored credentials.
Affected software
YouTrack
How to mitigate CVE-2026-100279
Install security update from vendor's website.
YouTrack - update to 2026.2.19197