Low · published February 6, 2026
💡 Claude Code might have taken a wrong turn in the file access department! Before version 2.1.7, it could bypass your deny rules through crafty symbolic links. ⚠️ Think of it like a hotel guest who’s not allowed into the VIP lounge but finds a back door linked to it. They can still enjoy the perks without a proper key! This oversight could let Claude Code access sensitive files like /etc/passwd even when you thought you locked the door. It’s a low-risk scenario, but if exploited, it could expose critical user data uninvited!
Think of it like a hotel guest who’s not allowed into the VIP lounge but finds a back door linked to it. They can still enjoy the perks without a proper key! The vulnerability allows Claude Code to ignore deny rules set in settings.json when accessing files via symbolic links, effectively granting access to restricted files without proper authorization checks.
This oversight could let Claude Code access sensitive files like /etc/passwd even when you thought you locked the door. It’s a low-risk scenario, but if exploited, it could expose critical user data uninvited! Upgrade Claude Code to version 2.1.7 to close this loophole. Review your settings.json to ensure deny rules are correctly configured and consider additional access controls for sensitive files. You've got this! Fix this vulnerability and keep your coding safe and sound. 🛡️