CVE-2026-100271
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Information Disclosure in JetBrains YouTrack

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: JetBrains s.r.o.

Description
In JetBrains YouTrack before 2026.2.19197 missing authorisation on several endpoints allowed authenticated users to access information from other projects

CVSS Scores

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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-2026-100271
EUVD
EUVD-2026-90015

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
jetbrains youtrack to 2026.2.19197 (exc)

Helpful Resources

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 2026.2.19197 involves missing authorization on several endpoints. Authenticated users could access information from other projects they should not have permission to view.

Impact Analysis

An attacker with authenticated access could view sensitive project data from other projects, potentially leading to unauthorized information disclosure. The low CVSS score suggests limited impact but still poses a confidentiality risk.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR's data protection principles or HIPAA's confidentiality requirements. Organizations may face compliance violations and potential fines.

Mitigation Strategies

Update JetBrains YouTrack to version 2026.2.19197 or later to address the missing authorization issue on project endpoints.

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