Authentication Flaw in JetBrains YouTrack Allows Unauthorized Visibility Changes
CVE-2026-123330

5.4MEDIUM

Key Information:

Vendor

Jetbrains
Status
Youtrack
Vendor
CVE Published:
6 November 2026

What is CVE-2026-123330?

In JetBrains YouTrack versions prior to 2026.2.19562, an authorization flaw exists which allows users with read-only access to modify visibility settings of issues. This gap in security measures poses a significant risk, as it could enable unauthorized individuals to alter the visibility of sensitive information, potentially compromising the integrity of issue management within the platform. Users are advised to upgrade to the latest version to mitigate this vulnerability.

Affected Version(s)

YouTrack 0 < 2026.2.19562

References

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

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.