Authorization Flaw in JetBrains YouTrack Affecting Catalog Reloading
CVE-2026-103495

4.3MEDIUM

Key Information:

Vendor

Jetbrains
Status
Youtrack
Vendor
CVE Published:
1 October 2026

What is CVE-2026-103495?

In versions prior to 2026.2.19422, JetBrains YouTrack exhibits a vulnerability that allows unauthorized users to reload translation catalogs. This oversight poses a risk by potentially enabling unauthorized changes to the content of these catalogs, which could lead to misinformation and manipulation of user-facing information. Proper authorization mechanisms are crucial to prevent such unauthorized access and maintain the integrity and security of the application.

Affected Version(s)

YouTrack 0 < 2026.2.19422

References

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

CVSS V3.1

Score:
4.3
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

.