CVE-2021-31901: JetBrains Hub

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

In JetBrains Hub before 2021.1.13079, two-factor authentication wasn't enabled properly for the All Users group.

Affected products

• JetBrains Hub: before 2021.1.13079 (fixed in 2021.1.13079)

Published 2021-05-11. Last modified 2026-06-17.