Privilege Escalation Vulnerability in JetBrains YouTrack
CVE-2026-103490

7.2HIGH

Key Information:

Vendor

Jetbrains
Status
Youtrack
Vendor
CVE Published:
1 October 2026

What is CVE-2026-103490?

A vulnerability in JetBrains YouTrack allows for privilege escalation through improper handling of user group links. Attackers can exploit this weakness to gain elevated permissions, potentially compromising sensitive data and operations within the application. It is crucial for users to update to the latest version to prevent unauthorized access and ensure security integrity.

Affected Version(s)

YouTrack 0 < 2026.2.19422

References

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

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.