CVE-2025-64755— @anthropic-ai/claude-code has Sed Command Validation Bypass that Allows Arbitrary File Writes
Quick assessment
Affected
anthropics claude-code
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Claude Code是Anthropic开源的一个代理编码工具。 Claude Code 2.0.31之前版本存在操作系统命令注入漏洞，该漏洞源于sed命令解析错误，可能导致任意文件写入。
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I. Basic Information for CVE-2025-64755
Vulnerability Information
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Vulnerability Title
@anthropic-ai/claude-code has Sed Command Validation Bypass that Allows Arbitrary File Writes
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Claude Code 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Claude Code是Anthropic开源的一个代理编码工具。 Claude Code 2.0.31之前版本存在操作系统命令注入漏洞，该漏洞源于sed命令解析错误，可能导致任意文件写入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| anthropics | claude-code | < 2.0.31 | - |
|
II. Public POCs for CVE-2025-64755
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-64755 (1)
IV. Related Vulnerabilities
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V. Comments for CVE-2025-64755
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