CVE-2026-86498High· 7.7▾ TwilightIn JetBrains YouTrack before 2025.3.160480, 2026.1.14047 pUT requests on link sub-resources allowed modification linked entities without update permission
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.4 · 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
0.2%
In JetBrains YouTrack before 2025.3.160480, 2026.1.14047 pUT requests on link sub-resources allowed modification linked entities without update permission
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-86487Low· 3.1In JetBrains YouTrack before 2026.2.18634 a crafted WebSocket message allowed read-only whiteboard users to modify canvas content
CVE-2026-86490Medium· 6.5In JetBrains YouTrack before 2026.2.18634 improper permission checks allowed overwriting of bundled apps via the app import endpoint
CVE-2026-86493Medium· 6.5In JetBrains YouTrack before 2026.2.18634 improper permission checks allowed read-only users to create and modify whiteboard cards
CVE-2026-86496Medium· 4.3In JetBrains YouTrack before 2026.2.18769 missing access control on Helpdesk authorized reporters exposed reporter email addresses
CVE-2026-86497Medium· 6.8In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox credentials
CVE-2026-86499Medium· 4.3In JetBrains YouTrack before 2026.1.14047 predefined search fields leaked all group names to any user, regardless of visibility permission