Authorization Flaw in JetBrains YouTrack Affects TeamCity Integration
CVE-2026-123329

5.4MEDIUM

Key Information:

Vendor

Jetbrains
Status
Youtrack
Vendor
CVE Published:
6 November 2026

What is CVE-2026-123329?

An authorization flaw in JetBrains YouTrack prior to version 2026.2.19562 allows for the unauthorized disclosure of actions related to other projects when integrated with TeamCity. This could potentially expose sensitive information and actions performed within different projects, leading to privacy concerns for users.

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

.