CVE-2026-123295: JetBrains Hub two-factor authentication bypass in profile update

CVE-2026-123295 · Severity: high · CVSS 8.1 · Published 2026-11-06

JetBrains Hub is a centralized platform for team collaboration and authentication management. An attacker who gains access to a user account can disable mandatory two-factor authentication through the profile update endpoint, allowing them to maintain account access without additional verification. This bypasses a critical security control intended to prevent unauthorized account takeover.

Technologies: Jetbrains Hub. Vendors: Jetbrains.

Quick answers

Is CVE-2026-123295 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-123295 being exploited in the wild.
How severe is CVE-2026-123295?
High severity, with a CVSS score of 8.1, published 6 November 2026.
Which products and versions are affected?
Jetbrains Hub before 2026.2.52519.
Is there a fix for CVE-2026-123295?
Yes: fixed in 2026.2.52519. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-123295 attacked?
It is attacked over the network.
Am I affected by CVE-2026-123295?
Check whether you run Jetbrains Hub at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: 2026.2.52519

Technical details

The vulnerability is an authentication bypass in the profile update endpoint that allows disabling enforced two-factor authentication. An authenticated attacker can modify user profile settings to turn off 2FA protection that should be non-negotiable at the organizational level. The flaw affects JetBrains Hub versions before 2026.2.52519 and requires valid account credentials to exploit.

Affected products

  • JetBrains Hub before 2026.2.52519

Timeline

  • 2026-11-06: disclosed
  • 2026-11-06: patched: Fixed in version 2026.2.52519

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.