CVE-2026-57921
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Improper Access Control in JetBrains YouTrack

Publication date: 2026-06-26

Last updated on: 2026-06-26

Assigner: JetBrains s.r.o.

Description
In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint
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Meta Information
Published
2026-06-26
Last Modified
2026-06-26
Generated
2026-06-26
AI Q&A
2026-06-26
EPSS Evaluated
N/A
NVD
CVE-2026-57921
EUVD
EUVD-2026-39653
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
jetbrains youtrack to 2026.2.16593 (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 exists in JetBrains YouTrack versions before 2026.2.16593. It is caused by improper access control, which allows unauthorized users to read private data of other users through the comment templates endpoint.

Impact Analysis

The vulnerability can lead to unauthorized disclosure of private user data. Attackers with limited privileges may exploit this flaw to access sensitive information that should be restricted, potentially compromising user privacy.

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