CVE-2026-86489
Received Received - Intake

Insecure Direct Object Reference in JetBrains YouTrack

Publication date: 2026-09-07

Last updated on: 2026-09-07

Assigner: JetBrains s.r.o.

Description
In JetBrains YouTrack before 2026.2.18634 an IDOR in the user profile API disclosed private issues and starred folders across organizations

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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-2026-86489
EUVD
EUVD-2026-72505

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
jetbrains youtrack to 2026.2.18634 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-639 The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

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Executive Summary

This vulnerability is an Insecure Direct Object Reference (IDOR) in JetBrains YouTrack before version 2026.2.18634. It allows unauthorized access to private issues and starred folders across different organizations through the user profile API.

Impact Analysis

An attacker could exploit this to view sensitive information like private issues or starred folders that they are not authorized to access. This could lead to data leaks or unauthorized exposure of confidential details.

Compliance Impact

This vulnerability could violate compliance requirements such as GDPR or HIPAA by exposing private or sensitive data. Organizations using affected versions may face legal penalties or reputational damage due to unauthorized data access.

Mitigation Strategies

Update JetBrains YouTrack to version 2026.2.18634 or later to address the IDOR vulnerability in the user profile API.

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