CVE-2026-73217
HighCVSS 7.7Exploitation Probability (EPSS)
Low risk24th percentile - higher than 24% of all known CVEs
Summary
Cursor IDE for macOS before version 3.1.2 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.
Risk Assessment
The attack can lead to full compromise of the user's system, including modification of files outside the workspace and launching malicious applications, posing a serious threat to data confidentiality and integrity.
Recommendation
Update Cursor IDE to version 3.1.2 or later and avoid using Auto-Run Sandbox mode with untrusted agents.
Original NVD description (English source)
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.