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Vulnerability DatabaseCVE-2025-64755
CVE-2025-64755:
JavaScript vulnerability analysis and mitigation
Overview
CVE-2025-64755 affects Claude Code prior to version 2.0.31. The vulnerability stems from an error in sed command parsing that allows bypassing the Claude Code read-only validation mechanism (Miggo).
Technical details
The vulnerability is tracked as CWE-78 and was discovered in the @anthropic-ai/claude-code npm package. The core issue lies in the sed command parsing implementation that fails to properly validate input, potentially allowing unauthorized file write operations on the host system (Miggo).
Impact
The vulnerability enables attackers to bypass the read-only validation mechanism and write to arbitrary files on the host system, potentially leading to unauthorized file modifications (Miggo).
Mitigation and workarounds
Users are advised to update to Claude Code version 2.0.31 or later. Those on standard Claude Code auto-update will have received this fix automatically. Users performing manual updates should update to the latest version immediately (Miggo).
Additional resources
Source: This report was generated using AI
Related JavaScript vulnerabilities:
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