# CVE-2026-123330: JetBrains YouTrack missing authorization in issue visibility settings

Source: https://junglewise.ai/threats/cve-2026-123330-in-jetbrains-youtrack-before-2026-2-19562-missing-authorization  
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-2026-123330 · Severity: medium · CVSS 5.4 · Published 2026-11-06

JetBrains YouTrack is a web-based issue tracking system used by teams to manage project workflows and collaborate on issues. This vulnerability allows read-only users to modify issue visibility settings they should not have permission to change, potentially exposing sensitive project information to unintended users. An attacker with read-only access could alter which teams or individuals can see specific issues.

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

## Quick answers

**Is CVE-2026-123330 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-123330 being exploited in the wild.

**How severe is CVE-2026-123330?** Medium severity, with a CVSS score of 5.4, published 6 November 2026.

**Which products and versions are affected?** Jetbrains YouTrack before 2026.2.19562.

**Is there a fix for CVE-2026-123330?** 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-2026-123330 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-123330?** 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

A missing authorization check in YouTrack's issue visibility settings API allows authenticated users with read-only permissions to change issue visibility without proper privilege validation. The vulnerability requires network access and valid read-only credentials; no further user interaction is needed. An attacker gains the ability to alter issue visibility, potentially escalating access to sensitive issue metadata.

## Affected products

- JetBrains YouTrack before 2026.2.19562

## 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 YouTrack missing authorization in VCS hosting configuration](https://junglewise.ai/threats/cve-2026-123332-in-jetbrains-youtrack-before-2026-2-19562-missing-authorization)
- [JetBrains YouTrack article visibility restriction bypass](https://junglewise.ai/threats/cve-2026-123331-in-jetbrains-youtrack-before-2026-2-19197-article-editors-could)
- [JetBrains YouTrack missing authorization in TeamCity integration](https://junglewise.ai/threats/cve-2026-123329-in-jetbrains-youtrack-before-2026-2-19562-missing-authorization)
- [JetBrains YouTrack app permission bypass privilege escalation](https://junglewise.ai/threats/cve-2026-123328-in-jetbrains-youtrack-before-2026-2-19656-app-permission-bypass)
- [JetBrains YouTrack authorization bypass in saved query endpoint](https://junglewise.ai/threats/cve-2026-123327-in-jetbrains-youtrack-before-2026-2-19562-missing-authorization)