Workflow Action Visibility Vulnerability in JetBrains YouTrack
CVE-2026-100276

5.9MEDIUM

Key Information:

Vendor

Jetbrains
Status
Youtrack
Vendor
CVE Published:
30 September 2026

What is CVE-2026-100276?

In JetBrains YouTrack before version 2026.2.19197, a vulnerability exists that allows guest users to bypass workflow action visibility restrictions. This flaw enables unauthorized users to modify and execute workflow actions that should remain hidden from them, potentially compromising the integrity of workflow configurations and data security.

Affected Version(s)

YouTrack 0 < 2026.2.19197

References

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

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.