Escalation Check Bypass in JetBrains YouTrack Affects User Permissions
CVE-2026-86500

5.5MEDIUM

Key Information:

Vendor

Jetbrains
Status
Youtrack
Vendor
CVE Published:
7 September 2026

What is CVE-2026-86500?

In JetBrains YouTrack versions prior to 2026.1.14047, a vulnerability exists where a missing escalation check allows users with project update permissions to elevate themselves to Project Admin status. This flaw could lead to unauthorized access and modification of project settings, potentially compromising project integrity and security.

Affected Version(s)

YouTrack 0 < 2026.1.14047

References

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

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.