Cursor IDE macOS sandbox escapes in Auto-Run mode
Two vulnerabilities in Cursor IDE for macOS allow agents running in Auto-Run Sandbox mode to escape the sandbox and execute arbitrary commands with user privileges. The first affects versions before 3.1.2 through Python executable replacement; the second affects versions before 3.0.0 through Docker container mounting.
Disclosed 11 August 2026 · Record updated 13 September 2026
Impact
Agents in Auto-Run Sandbox mode can escape sandbox restrictions and execute arbitrary host commands with user privileges, potentially modifying files outside the workspace and launching applications.
Our coverage
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Sources
- nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-73217
- nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-73218
