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CVE-2026-64804 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-64804

CVE-2026-64804

HIGH8.4

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

Published Jul 23, 2026

Modified 1 months ago

Fix available

Details

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

Affected Packages

WebStorm

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1703)Windows 10 (1709)Windows 10 (1803)

Fixed in:

2026.2

References

https://www.cve.org/CVERecord?id=CVE-2026-64804

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

CVSS Analysis

CVSS v3.1

8.4

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

8.4/CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

Trust

Untrusted Control Sphere

Ecosystems(22)

Windows 10 (1507)Windows 10 (1607) / Server 2016 Windows 10 (1703)Windows 10 (1709)Windows 10 (1803)

Timeline

PublishedJul 23, 2026

ModifiedJul 24, 2026