← AI agent vulnerabilities

CVE-2025-64755

Claude Code

9.8
Severity
Critical
Published
November 21, 2025
Last modified
October 18, 2026

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.

CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness

References

CVE-2025-64755 on NVD

Listed in

CriticalClaude CodeCommand injection

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