CVE-2026-86478criticalCWE-290

CVE-2026-86478: critical vulnerability in JetBrains YouTrack

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48Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 9.8epss 0.6%
from disclosure to weapon44 days
Published on NVDSep 7
1st PoC+44d
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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
JetBrains · YouTrack
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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