CVE-2026-100277

EUVD-2026-90021
In JetBrains YouTrack before 2026.2.19197 account takeover was possible by replaying a notification signature
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
JetBrainsCNA
8.9 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
jetbrainsyoutrack
𝑥
< 2026.2.19197
CNA
Common Weakness Enumeration
References
https://www.jetbrains.com/privacy-security/issues-fixed/