CVE-2026-86482
Received Received - Intake

Privilege Escalation via Unchecked Group Membership 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 unchecked group membership changes allowed privilege escalation

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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-2026-86482
EUVD
EUVD-2026-72498

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-266 A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.

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Executive Summary

In JetBrains YouTrack before version 2026.2.18634, an unchecked group membership change vulnerability allows users to escalate their privileges without proper validation. This means an attacker could gain higher-level access than intended by manipulating group membership settings.

Impact Analysis

This vulnerability could allow unauthorized users to gain elevated privileges, potentially accessing sensitive data, modifying system configurations, or performing actions restricted to administrators. The impact depends on the user's current access level and the system's configuration.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating compliance requirements such as GDPR or HIPAA. Organizations using affected versions may face legal penalties, data breach notifications, and reputational damage due to non-compliance with data protection regulations.

Mitigation Strategies

Update JetBrains YouTrack to version 2026.2.18634 or later to address the privilege escalation vulnerability.

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