CVE-2026-86491

EUVD-2026-72507
In JetBrains YouTrack before 2026.2.18634 stored XSS was possible via project and organization icon uploads
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
JetBrainsCNA
3.5 LOW
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 14.49%
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/