Insecure Data Exposure in JetBrains YouTrack Affects Private Saved Searches
CVE-2026-86488

6.5MEDIUM

Key Information:

Vendor

Jetbrains
Status
Youtrack
Vendor
CVE Published:
7 September 2026

What is CVE-2026-86488?

In JetBrains YouTrack versions prior to 2026.2.18634, an Insecure Direct Object Reference vulnerability likely exposes private saved searches through the watchRules and issueListConfig endpoints. This can lead to unauthorized access to sensitive data, putting user privacy at risk and necessitating an immediate update for resolution.

Affected Version(s)

YouTrack 0 < 2026.2.18634

References

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

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.