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Product · anthropics

claude-code

32 known vulnerabilities.

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  • Medium 4.4

    Claude Code: Insecure Temporary File in /copy Command Enables Response Disclosure and Symlink-Based File Write

    Claude Code is an agentic coding tool. From 2.1.59 until 2.1.128, the Claude Code /copy command wrote responses to a hardcoded, predictable path (/tmp/claude/response.md) without UID isolation, randomness, or symlink protection. The file was created world-rea…

  • Medium 6.0
    CVE-2026-54316 Public exploit

    Claude Code: Out-of-Band Data Exfiltration via Pre-Approved HuggingFace Domain in WebFetch

    Claude Code is an agentic coding tool. From 0.2.54 until 2.1.163, because the hostname huggingface.co was pre-approved as a bare hostname for the WebFetch tool, any path on that domain—including attacker-controlled model repositories—was auto-approved without…

  • Medium 5.4
    CVE-2026-35603 Public exploit

    Claude Code: Insecure System-Wide Configuration Loading Enables Local Privilege Escalation on Windows

    Claude Code is an agentic coding tool. In versions prior to 2.1.75 on Windows, Claude Code loaded the system-wide default configuration from C:\ProgramData\ClaudeCode\managed-settings.json without validating directory ownership or access permissions. Because …

  • Medium 5.3
    CVE-2026-21852 Public exploit EPSS 28%

    Claude Code Leaks Data via Malicious Environment Configuration Before Trust Confirmation

    Claude Code is an agentic coding tool. Prior to version 2.0.65, vulnerability in Claude Code's project-load flow allowed malicious repositories to exfiltrate data including Anthropic API keys before users confirmed trust. An attacker-controlled repository cou…