CVE-2026-100279
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Credentials Exposure in JetBrains YouTrack via Integration URL Modification

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: JetBrains s.r.o.

Description
In JetBrains YouTrack before 2026.2.19197 changing an integration URL exposed its stored credentials

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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-2026-100279
EUVD
EUVD-2026-90023

Affected Vendors & Products

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

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

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Executive Summary

In JetBrains YouTrack before version 2026.2.19197, there is a vulnerability where changing an integration URL could expose stored credentials. This means an attacker with access to modify integration settings might retrieve sensitive authentication details.

Impact Analysis

If exploited, this vulnerability could allow unauthorized access to sensitive data or systems connected via the compromised integration. Attackers might gain control over integrations or extract credentials for further attacks.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating confidentiality requirements in GDPR and HIPAA. Organizations may face compliance penalties if sensitive data is compromised due to inadequate security controls.

Mitigation Strategies

Update JetBrains YouTrack to version 2026.2.19197 or later to address the exposed credentials issue.

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