# CVE-2026-123297: JetBrains Hub two-factor authentication bypass in password reset

Source: https://junglewise.ai/threats/cve-2026-123297-in-jetbrains-hub-before-2026-2-52519-two-factor-authentication  
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-2026-123297 · Severity: medium · CVSS 6.8 · Published 2026-11-06

JetBrains Hub is a centralized authentication and user management system used by development teams. An attacker could bypass the two-factor authentication protection during the password reset flow, potentially gaining unauthorized access to user accounts without requiring a second authentication factor.

Technologies: [Jetbrains Hub](https://junglewise.ai/threats/technologies/hub). Vendors: [Jetbrains](https://junglewise.ai/threats/vendors/jetbrains).

## Quick answers

**Is CVE-2026-123297 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-123297 being exploited in the wild.

**How severe is CVE-2026-123297?** Medium severity, with a CVSS score of 6.8, published 6 November 2026.

**Which products and versions are affected?** Jetbrains Hub before 2026.2.52519.

**Is there a fix for CVE-2026-123297?** Yes: fixed in Hub 2026.2.52519. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-123297 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-123297?** 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 Hub 2026.2.52519

## Technical details

A two-factor authentication bypass vulnerability exists in the password reset flow of JetBrains Hub prior to version 2026.2.52519. The vulnerability allows an attacker to reset a user's password and gain account access while circumventing the configured two-factor authentication requirement. Exploitation requires the ability to initiate a password reset, typically involving network access to the application.

## Affected products

- JetBrains Hub before 2026.2.52519

## Timeline

- 2026-11-06: disclosed

## 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 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 two-factor authentication bypass in profile update](https://junglewise.ai/threats/cve-2026-123295-in-jetbrains-hub-before-2026-2-52519-enforced-two-factor)
- [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)