Is CVE-2026-123327 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-123327 being exploited in the wild.

How severe is CVE-2026-123327?

High severity, with a CVSS score of 7.5, published 6 November 2026.

Which products and versions are affected?

Jetbrains YouTrack before 2026.2.19562.

Is there a fix for CVE-2026-123327?

Yes: fixed in YouTrack 2026.2.19562. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-123327 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-123327?

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.

CVE-2026-123327: JetBrains YouTrack authorization bypass in saved query endpoint

CVE-2026-123327 · Severity: high · CVSS 7.5 · Published 2026-11-06

YouTrack is JetBrains' issue and project tracking system used by software teams to manage work and collaboration. A missing authorization check on the saved query endpoint allows an authenticated or unauthenticated attacker to retrieve sensitive issue descriptions that should not be accessible to them. An attacker could extract confidential project information, security details, or other sensitive data stored in issue descriptions.

Technologies: Jetbrains YouTrack. Vendors: Jetbrains.

Quick answers

Is CVE-2026-123327 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-123327 being exploited in the wild.
How severe is CVE-2026-123327?: High severity, with a CVSS score of 7.5, published 6 November 2026.
Which products and versions are affected?: Jetbrains YouTrack before 2026.2.19562.
Is there a fix for CVE-2026-123327?: Yes: fixed in YouTrack 2026.2.19562. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-123327 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-123327?: 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 2026.2.19562

Technical details

The vulnerability is an authorization bypass (missing authorization check) in the saved query endpoint of YouTrack. An attacker can access this endpoint to retrieve issue descriptions without proper access control validation. The flaw allows unauthorized disclosure of sensitive data that should be restricted based on user permissions and project visibility settings.

Affected products

JetBrains YouTrack before 2026.2.19562

Timeline

2026-11-06: advisory: CVE-2026-123327 published

References

https://www.jetbrains.com/privacy-security/issues-fixed/

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