CVE-2026-86484
Received Received - Intake

AngularJS Template Injection 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 angularJS template injection in assignee names led to stored XSS

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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-2026-86484
EUVD
EUVD-2026-72500

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-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This vulnerability involves stored cross-site scripting (XSS) in JetBrains YouTrack before version 2026.2.18634. It occurs due to angularJS template injection in assignee names, allowing attackers to inject malicious scripts that are stored and executed when other users view affected pages.

Impact Analysis

An attacker could exploit this to execute arbitrary JavaScript in the context of other users' browsers, potentially stealing session cookies, performing actions on their behalf, or redirecting them to malicious sites. Users with administrative privileges are at higher risk.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR's data protection principles and HIPAA's security requirements. It may result in data breaches, unauthorized disclosure, or loss of data integrity, potentially leading to regulatory penalties.

Mitigation Strategies

Update JetBrains YouTrack to version 2026.2.18634 or later to address the angularJS template injection and stored XSS vulnerability.

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