CVE-2026-100261
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Unauthorized Article Visibility Change in JetBrains YouTrack

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: JetBrains s.r.o.

Description
In JetBrains YouTrack before 2026.2.18991 changing article visibility settings was possible without update permission

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Meta Information

Published
2026-09-30
Last Modified
2026-09-30
Generated
2026-09-30
AI Q&A
2026-09-30
EPSS Evaluated
N/A
NVD
CVE-2026-100261
EUVD
EUVD-2026-90005

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
jetbrains youtrack to 2026.2.18991 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-288 The product requires authentication, but the product has an alternate path or channel that does not require authentication.

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Executive Summary

This vulnerability in JetBrains YouTrack before version 2026.2.18991 allows users to change article visibility settings without having the required update permission. This means unauthorized users could alter who can view certain articles, potentially exposing sensitive information or disrupting workflows.

Detection Guidance

This vulnerability involves improper access control in JetBrains YouTrack where article visibility settings could be changed without proper permissions. To detect it, check YouTrack logs for unauthorized visibility changes or permission modifications. Review user access logs for accounts with update permissions performing unexpected actions. Ensure all users have appropriate permission levels as per your security policy.

Impact Analysis

If exploited, this vulnerability could allow attackers to modify visibility settings of articles, leading to unauthorized access to confidential data or disruption of project management. Users may face data leaks, compliance violations, or operational disruptions depending on the affected articles.

Compliance Impact

This vulnerability could lead to unauthorized exposure of personal or sensitive data, violating GDPR and HIPAA requirements for data protection and access control. Organizations may face legal penalties, reputational damage, and loss of trust due to non-compliance.

Mitigation Strategies

Update JetBrains YouTrack to version 2026.2.18991 or later to address the vulnerability related to unauthorized article visibility changes.

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