CVE-2026-103488: JetBrains Youtrack

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

In JetBrains YouTrack before 2026.2.19422 missing authorisation allowed authenticated users to add themselves to project teams and access restricted issues

Affected products

• JetBrains Youtrack: before 2026.2.19422 (fixed in 2026.2.19422)

Published 2026-10-01. Last modified 2026-10-05.