MajorCritical vulnerability
CVE-2026-100277 (CVSS 8.9)
NVD · officialPublished Sep 30, 2026Risk 37/100
In JetBrains YouTrack before 2026.2.19197 account takeover was possible by replaying a notification signature
Technical details
CVSS
8.9
AV:NetworkAC:HighPR:NoneUI:NoneC:HighI:HighA:Low
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
Open primary source