CVE-2026-86492

EUVD-2026-72508
In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
JetBrainsCNA
8.5 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 59.2%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
jetbrainsyoutrack
𝑥
< 2026.2.18634
CNA
Common Weakness Enumeration
References
https://www.jetbrains.com/privacy-security/issues-fixed/