CVE-2026-64805
Received Received - Intake

Arbitrary Code Execution in JetBrains WebStorm

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 package-manager tooling

CVSS Scores

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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-2026-64805
EUVD
EUVD-2026-48230

Affected Vendors & Products

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

Helpful Resources

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.

Attack-Flow Graph

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Executive Summary

This vulnerability in JetBrains WebStorm before version 2026.2 allows arbitrary code execution before a user grants trust to a project. It specifically involves project-local package-manager tooling, meaning malicious code could run automatically when opening a project.

Impact Analysis

An attacker could exploit this to execute malicious code on your system without your knowledge. This could lead to data theft, system compromise, or further attacks. The high CVSS score (8.4) indicates severe impact.

Mitigation Strategies

Update JetBrains WebStorm to version 2026.2 or later to address the arbitrary code execution vulnerability.

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