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Improper Access Control

CVE-2026-42074

High
9.3/10

Summary

The `dangerouslyDisableSandbox` parameter is exposed as part of the BashTool input schema, meaning the LLM (an untrusted principal per the project's own threat model) can set it to `true` in any `tool_use` response. Combined with the default `allowUnsandboxedCommands: true` setting, a prompt-injected model can escape the sandbox for any arbitrary command, achieving full host-level code execution. This issue affects openclaude versions prior to 0.5.1.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-284 - Improper Access Control

Listed 5th in the 'OWASP Top Ten', improper (or broken) access control attacks are a fundamental type of vulnerability. This includes a broad range of design flaws that enable users to act outside of their intended permissions. They can use these privileges to gain access to restricted files and functionality such as accessing restricted information, falsifying records, destroying data, or executing commands.

References

Advisory Timeline

  • Published