Denial of Service Vulnerability in JetBrains YouTrack for Project Administrators
CVE-2026-100274

6.5MEDIUM

Key Information:

Vendor

Jetbrains
Status
Youtrack
Vendor
CVE Published:
30 September 2026

What is CVE-2026-100274?

A denial of service vulnerability exists in JetBrains YouTrack, where a project administrator has the ability to manipulate notification templates in such a way that it could lead to service disruption. This flaw poses a significant risk as it can be exploited to negatively impact system availability, thereby affecting project management efficiency and communication within teams. It is crucial for administrators to remain aware of this issue to ensure uninterrupted service delivery.

Affected Version(s)

YouTrack 0 < 2026.2.19197

References

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

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.