Stored XSS Vulnerability in JetBrains YouTrack Notification Templates
CVE-2026-49368

8.7HIGH

Key Information:

Vendor

Jetbrains
Status
Youtrack
Vendor
CVE Published:
29 May 2026

What is CVE-2026-49368?

A stored XSS vulnerability has been identified in JetBrains YouTrack, specifically affecting the project notification templates. This issue allows an attacker to inject malicious scripts that could be executed when users view the notifications. The vulnerability is present in all versions of YouTrack prior to 2026.1.13162, necessitating immediate update for users to enhance their security posture.

Affected Version(s)

YouTrack 0 < 2026.1.13162

References

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

CVSS V3.1

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.