CVE-2021-37553: JetBrains Youtrack

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

In JetBrains YouTrack before 2021.2.16363, an insecure PRNG was used.

Affected products

• JetBrains Youtrack: before 2021.2.16363 (fixed in 2021.2.16363)

Published 2021-08-06. Last modified 2026-06-17.