CVE-2026-64807
Received Received - Intake

Arbitrary Code Execution in JetBrains WebStorm via Linter Configuration

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 via a project-supplied linter configuration

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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-2026-64807
EUVD
EUVD-2026-48232

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 version 2026.2 allows arbitrary code execution through a project-supplied linter configuration. This means an attacker could craft a malicious linter config file that, when used by WebStorm, executes arbitrary code on the user's system.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your system. This could lead to data theft, system compromise, or further attacks within your network. Users running affected versions of WebStorm are at risk if they open untrusted projects.

Mitigation Strategies

Update JetBrains WebStorm to version 2026.2 or later to address the arbitrary code execution risk via project-supplied linter configuration.

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