WebStorm before 2026.2 arbitrary code exec via linter config assigner
CVE-2026-64807 Published on July 23, 2026
In JetBrains WebStorm before 2026.2 arbitrary code execution was possible via a project-supplied linter configuration
Vulnerability Analysis
CVE-2026-64807 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
Weakness Type
Inclusion of Functionality from Untrusted Control Sphere
The software imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.
Products Associated with CVE-2026-64807
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Affected Versions
JetBrains WebStorm:- Before 2026.2 is affected.