Claude Code — Vulnerability (CVE-2025-64755)
Date: 2025-11
Affected: anthropic/claude_code
Attack vector: command-injection
Category: vulnerability-disclosure
Severity: Critical
CVE: CVE-2025-64755
CWE: CWE-78
CVSS: 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Claude Code is an agentic coding tool. Prior to version 2.0.31, due to an error in sed command parsing, it was possible to bypass the Claude Code read-only validation and write to arbitrary files on the host system. This issue has been patched in version 2.0.31.


Mitigations:

Architectural layers (MAESTRO):