CVE-2026-86495: JetBrains Youtrack

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

In JetBrains YouTrack before 2026.2.18687 missing permission checks allowed creating knowledge base articles in inaccessible projects

Affected products

• JetBrains Youtrack: before 2026.2.18687 (fixed in 2026.2.18687)

Published 2026-09-07. Last modified 2026-09-08.