CVE-2019-12866: JetBrains Youtrack

Critical severity, CVSS 9.8. EPSS: 1.9% chance of exploitation in the next 30 days.

An Insecure Direct Object Reference, with Authorization Bypass through a User-Controlled Key, was possible in JetBrains YouTrack. The issue was fixed in 2018.4.49168.

Affected products

• JetBrains Youtrack: before 2018.4.49168 (fixed in 2018.4.49168)

Published 2019-07-03. Last modified 2026-06-17.