CVE-2026-55157

The token-optimizer-mcp software is vulnerable to OS command injection in the smart_user tool (specifically the get-user-info operation) prior to version 5.1.0 . The root cause is the unsafe interpolation of a user-controlled username argument into a shell command executed via execAsync(). Becaus...

Token Optimizer MCP: OS command injection in smart_user via username in get-user-info

Summary token-optimizer-mcp is vulnerable to OS command injection in the smartuser tool. The get-user-info operation accepts a user-controlled username argument and later interpolates it into a shell command executed through execAsync: ts getent passwd "$username" || grep "^$username:" /etc/passw...

GHSA-49MQ-FC6Q-3H46 Token Optimizer MCP: OS command injection in smart_user via username in get-user-info

Summary token-optimizer-mcp is vulnerable to OS command injection in the smartuser tool. The get-user-info operation accepts a user-controlled username argument and later interpolates it into a shell command executed through execAsync: ts getent passwd "$username" || grep "^$username:" /etc/passw...