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CVE-2025-64755

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Date: November 20, 2025

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.

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2025-64755
https://github.com/anthropics/claude-code/security/advisories/GHSA-7mv8-j34q-vp7q
https://github.com/anthropics/claude-code
https://www.mend.io/vulnerability-database/CVE-2025-64755

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CWE-78

Top Fix

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Upgrade to version @anthropic-ai/claude-code - 2.0.31

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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