CVE-2025-66032 — Claude Code Command Validation Bypass Allows Arbitrary Code Execution
Claude Code is an agentic coding tool. Prior to 1.0.93, Due to errors in parsing shell commands related to $IFS and short CLI flags, it was possible to bypass the Claude Code re…
Published: 2025-12-03 · CVSS: 8.7 · CVSS 4.0
Claude Code is an agentic coding tool. Prior to 1.0.93, Due to errors in parsing shell commands related to $IFS and short CLI flags, it was possible to bypass the Claude Code read-only validation and trigger arbitrary code execution. Reliably exploiting this requires the ability to add untrusted content into a Claude Code context window. This vulnerability is fixed in 1.0.93.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7