CVE-2026-86478

EUVD-2026-72494
In JetBrains YouTrack before 2025.3.161254, 
2026.1.14042 improper authentication in YouTrack Helpdesk allowed unauthenticated account takeover via a self-asserted email address
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 28.86%
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://www.jetbrains.com/privacy-security/issues-fixed/