CVE-2025-66032
CVE-2025-66032 · Claude Code Command Validation Bypass Allows Arbitrary Code Execution
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 8.7 · High · EPSS 0.7% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
claude-code
- Versions
- < 1.0.93: Affected
No fix published
@anthropic-ai/claude-code npm
- Affected ranges
- SEMVER: < 1.0.93
Update to 1.0.93