Authorization Flaw in JetBrains YouTrack Affecting Project Administrators
CVE-2026-100272

4.9MEDIUM

Key Information:

Vendor

Jetbrains
Status
Youtrack
Vendor
CVE Published:
30 September 2026

What is CVE-2026-100272?

In JetBrains YouTrack prior to version 2026.2.19197, a critical authorization flaw in the notification template preview feature allows Project Administrators to gain access to restricted issues. This can lead to unauthorized visibility of sensitive information, compromising project confidentiality and possibly affecting data integrity. Users are advised to update to the latest version to mitigate this vulnerability.

Affected Version(s)

YouTrack 0 < 2026.2.19197

References

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

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.