In JetBrains Hub before 2026.2.52556 privilege escalation was possible by changing email authentication details during the verification flow

Summary

In JetBrains Hub before 2026.2.52556 privilege escalation was possible by changing email authentication details during the verification flow

Remediation

1. Inventory every JetBrains Hub deployment, including staging.
2. Upgrade JetBrains Hub to 2026.2.52556.
3. Confirm the running version after the upgrade.

References

• Referencehttps://www.jetbrains.com/privacy-security/issues-fixed/