[connerkup]

🚨 Severity: CRITICAL
💡 Vulnerability: Used execSync which invokes a shell implicitly by default, enabling command injection risks and argument quoting issues with unverified workspace paths.
🎯 Impact: Unverified inputs passed to execSync could cause arbitrary command execution or application crashes if file paths contain shell metacharacters.
🔧 Fix: Replaced execSync with execFileSync to avoid shell execution. Replaced node executable lookup with deterministic process.execPath for better isolation.
✅ Verification: Tested against the core suite (npm run test -w @shieldedshell/core) confirming functionality is completely preserved.

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PR created automatically by Jules for task 1314026169361342683 started by @connerkup

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