Privilege Escalation Vulnerability in JetBrains YouTrack
CVE-2026-103494

6.6MEDIUM

Key Information:

Vendor

Jetbrains
Status
Youtrack
Vendor
CVE Published:
1 October 2026

What is CVE-2026-103494?

In JetBrains YouTrack prior to version 2026.2.19422, a vulnerability exists that allows attackers to escalate privileges by manipulating user group memberships. This flaw could enable unauthorized users to gain access to sensitive features or data by altering their membership status within user groups.

Affected Version(s)

YouTrack 0 < 2026.2.19422

References

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

CVSS V3.1

Score:
6.6
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.