CVE-2026-86491Low· 3.5▾ SunlitIn JetBrains YouTrack before 2026.2.18634 stored XSS was possible via project and organization icon uploads
▾ Sunlit zone — Low / medium · no exploitation signal
impact 19.3 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.1%
In JetBrains YouTrack before 2026.2.18634 stored XSS was possible via project and organization icon uploads
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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