CVE-2026-86495
Received Received - Intake

Missing Permission Check in JetBrains YouTrack Allows Knowledge Base Article Creation

Publication date: 2026-09-07

Last updated on: 2026-09-07

Assigner: JetBrains s.r.o.

Description
In JetBrains YouTrack before 2026.2.18687 missing permission checks allowed creating knowledge base articles in inaccessible projects

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Meta Information

Published
2026-09-07
Last Modified
2026-09-07
Generated
2026-09-07
AI Q&A
2026-09-07
EPSS Evaluated
N/A
NVD
CVE-2026-86495
EUVD
EUVD-2026-72511

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
jetbrains youtrack to 2026.2.18687 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

This vulnerability in JetBrains YouTrack before version 2026.2.18687 allows users with limited permissions to create knowledge base articles in projects they do not have access to. This occurs due to missing permission checks.

Impact Analysis

An attacker with low privileges could create unauthorized articles in restricted projects, potentially exposing sensitive information or disrupting project workflows. The impact is rated as high for integrity as unauthorized content may be added.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data in projects, violating confidentiality and integrity requirements in GDPR and HIPAA. Compliance may be compromised if unauthorized articles contain protected information.

Mitigation Strategies

Update JetBrains YouTrack to version 2026.2.18687 or later to address the missing permission checks.

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