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

Source: https://junglewise.ai/threats/cve-2026-123295-in-jetbrains-hub-before-2026-2-52519-enforced-two-factor  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-06. Updated: 2026-11-06  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/hub). Vendors: [Jetbrains](https://junglewise.ai/threats/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

- [https://www.jetbrains.com/privacy-security/issues-fixed/](https://www.jetbrains.com/privacy-security/issues-fixed/)

## Related threats

- [JetBrains Hub SMTP command injection in email verification](https://junglewise.ai/threats/cve-2026-123298-in-jetbrains-hub-before-2026-2-52556-smtp-command-injection-via)
- [JetBrains Hub two-factor authentication bypass in password reset](https://junglewise.ai/threats/cve-2026-123297-in-jetbrains-hub-before-2026-2-52519-two-factor-authentication)
- [JetBrains Hub privilege escalation via forged email verification](https://junglewise.ai/threats/cve-2026-123296-in-jetbrains-hub-before-2026-2-52519-privilege-escalation-via)
- [JetBrains Hub privilege escalation in email verification](https://junglewise.ai/threats/cve-2026-123294-in-jetbrains-hub-before-2026-2-52556-privilege-escalation-was)
- [JetBrains Hub authorization bypass in email sending](https://junglewise.ai/threats/cve-2026-100266-in-jetbrains-hub-before-2026-2-52366-missing-authorisation)