Permission Check Flaw in JetBrains YouTrack Software
CVE-2026-86495

6.5MEDIUM

Key Information:

Vendor

Jetbrains
Status
Youtrack
Vendor
CVE Published:
7 September 2026

What is CVE-2026-86495?

JetBrains YouTrack prior to version 2026.2.18687 contains a vulnerability where insufficient permission checks enable users to create knowledge base articles in projects that they should not have access to. This may lead to unauthorized content manipulation and data exposure in restricted projects, compromising the integrity of sensitive information.

Affected Version(s)

YouTrack 0 < 2026.2.18687

References

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

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.