Quick answers
- Is CVE-2026-123296 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-123296 being exploited in the wild.
- How severe is CVE-2026-123296?
- High severity, with a CVSS score of 7.5, published 6 November 2026.
- Which products and versions are affected?
- Jetbrains Hub before 2026.2.52519.
- Is there a fix for CVE-2026-123296?
- 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-2026-123296 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-123296?
- 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
A privilege escalation vulnerability exists in Hub's email verification mechanism that fails to properly validate email verification tokens, allowing an attacker with network access to bypass authentication controls and escalate privileges. The vulnerability affects versions before 2026.2.52519 and requires no user interaction beyond crafting a forged verification message.
Affected products
- JetBrains Hub before 2026.2.52519
Timeline
- 2026-11-06: disclosed