What’s Vulnerable › Vulnerabilities

CVE-2026-64804

• Severity: high (CVSS 8.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-23 · updated 2026-10-24
• Weakness: CWE-829

Description

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

Affected products

• JetBrains WebStorm: before 2026.2.0 — fixed in 2026.2.0

How to fix

Upgrade to a fixed version: JetBrains WebStorm 2026.2.0. Check the vendor advisory for mitigations.

References

• https://www.jetbrains.com/privacy-security/issues-fixed/

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