Authorization Flaw in JetBrains YouTrack Enables Issue Description Disclosure
CVE-2026-123327

7.5HIGH

Key Information:

Vendor

Jetbrains
Status
Youtrack
Vendor
CVE Published:
6 November 2026

What is CVE-2026-123327?

In JetBrains YouTrack versions prior to 2026.2.19562, a significant authorization flaw existed in the saved query endpoint. This vulnerability permitted unauthorized access to sensitive information, allowing potential disclosure of issue descriptions that should remain confidential. Users of affected versions are encouraged to update promptly to mitigate potential privacy and security risks.

Affected Version(s)

YouTrack 0 < 2026.2.19562

References

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

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.