CVE-2026-64804
Received Received - Intake

Arbitrary Code Execution in JetBrains WebStorm via Linter Tooling

Publication date: 2026-07-23

Last updated on: 2026-07-23

Assigner: JetBrains s.r.o.

Description
In JetBrains WebStorm before 2026.2 arbitrary code execution was possible before granting project trust via project-local linter tooling

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Meta Information

Published
2026-07-23
Last Modified
2026-07-23
Generated
2026-07-23
AI Q&A
2026-07-23
EPSS Evaluated
N/A
NVD
CVE-2026-64804
EUVD
EUVD-2026-48229

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
jetbrains webstorm to 2026.2 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-829 The product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.

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Executive Summary

This vulnerability in JetBrains WebStorm before 2026.2 allows arbitrary code execution before granting project trust. It involves project-local linter tooling being exploited to run malicious code without user permission.

Impact Analysis

An attacker could execute arbitrary code on your system if you open a malicious project in WebStorm before 2026.2. This could lead to data theft, system compromise, or further network attacks depending on your environment.

Compliance Impact

This vulnerability could lead to unauthorized code execution, potentially violating GDPR or HIPAA by exposing sensitive data. Compliance may be impacted if the breach results in data leaks or unauthorized access to protected information.

Mitigation Strategies

Update JetBrains WebStorm to version 2026.2 or later to address the arbitrary code execution risk before project trust is granted.

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