CVE-2025-64755

@anthropic-ai/claude-code has Sed Command Validation Bypass that Allows Arbitrary File Writes

State
Published
Severity
8.7 High
Published
Nov 21, 2025
Updated
Nov 24, 2025
Reserved
Nov 10, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.08.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NGitHub_M

Weaknesses

  • CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

ProductVersions
claude-codeanthropics
  • < 2.0.31Affected

References

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