Security Advisory
CVE-2025-64755
9.8
CRITICAL
Vulnerability Description
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.
Published Date
November 21, 2025
Official Source
NIST NVD Advisory