CVE-2026-123326: JetBrains YouTrack scripts debugger authorization bypass

CVE-2026-123326 · Severity: high · CVSS 7.1 · Published 2026-11-06

JetBrains YouTrack is an issue and project management platform used by development teams. A flaw in the scripts debugger allowed unauthorized users to view sensitive workflow scripts and suspend them, potentially exposing automation logic and disrupting team workflows.

Technologies: Jetbrains YouTrack. Vendors: Jetbrains.

Quick answers

Is CVE-2026-123326 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-123326 being exploited in the wild.
How severe is CVE-2026-123326?
High severity, with a CVSS score of 7.1, published 6 November 2026.
Which products and versions are affected?
Jetbrains YouTrack before 2026.2.19197.
Is there a fix for CVE-2026-123326?
Yes: fixed in YouTrack 2026.2.19197. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-123326 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-123326?
Check whether you run Jetbrains YouTrack 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: YouTrack 2026.2.19197

Technical details

Incorrect authorization checks in the YouTrack scripts debugger allow authenticated or network-adjacent attackers to disclose and suspend workflow scripts without proper privilege verification. The vulnerability affects the debugger component and requires access to the YouTrack instance, enabling exposure of business logic embedded in automation scripts and denial of service through script suspension.

Affected products

  • JetBrains YouTrack before 2026.2.19197

Timeline

  • 2026-11-06: disclosed

References

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