Claude Code echo command allowed bypass of user approval prompt for command execution

Due to an error in command parsing, it was possible to bypass the Claude Code confirmation prompt to trigger execution of an untrusted command. Reliably exploiting this requires the ability to add untrusted content into a Claude Code context window. Users on standard Claude Code auto-update...

PT-2025-31834

Name of the Vulnerable Software and Affected Versions Claude Code versions prior to 0.2.111 Description Claude Code is an agentic coding tool affected by a path validation issue. This flaw uses prefix matching instead of canonical path comparison, allowing bypass of directory restrictions and...

@modelcontextprotocol/server-filesystem vulnerability allows for path validation bypass via colliding path prefix

Versions of Filesystem prior to 0.6.3 & 2025.7.1 could allow access to unintended files in cases where the prefix matches an allowed directory. Users are advised to upgrade to 2025.7.1 to resolve the issue. Thank you to Elad Beber Cymulate for reporting these issues...