CVE-2026-73217

High

Description

Cursor is a code editor built for programming with AI. Prior to 3.1.2, Cursor IDE for macOS allows an agent running in Auto-Run Sandbox mode to replace a virtual environment's Python executable with a malicious wrapper that the Microsoft Python extension invokes outside the sandbox, allowing arbitrary host commands with the user's privileges, including modifying files outside the workspace and launching applications. This issue is fixed in version 3.1.2.

SeverityHigh
CVSS7.7
Exploit probability—
ProductCursor
PublishedAug 11, 2026
First seenAug 11, 2026
Weakness typeCWE-693CWE-693

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
cursor cursor< 3.1.2—

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