code-ollama: `grep_search` Command Injection via Unescaped `$()` Shell Substitution (CWE-78)
## `grep_search` Command Injection via Unescaped `$()` Shell Substitution (CWE-78) ### Summary The `grep_search` tool in `code-ollama` constructs a shell command string by interpolating attacker-controlled `pattern` and `path` arguments, then executes it via `child_process.exec()`. The sanitization only escapes backslashes and double-quote characters, leaving `$()` command substitution and backtick expansion fully intact. A malicious or compromised Ollama server can therefore inject and execute arbitrary OS commands with the privileges of the local user running `code-ollama`. Because `grep_search` is classified as a read-only tool, it auto-
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