CVE-2025-54795highCode execution2025-08-04
CVE-2025-54795: Claude Code echo command allowed bypass of user approval prompt for command execution
Due to an error in command parsing, it was possible to bypass the Claude Code confirmation prompt to trigger execution of an untrusted command. Reliably exploiting this requires the ability to add untrusted content into a Claude Code context window.
What it is
Due to an error in command parsing, it was possible to bypass the Claude Code confirmation prompt to trigger execution of an untrusted command. Reliably exploiting this requires the ability to add untrusted content into a Claude Code context window.
Users on standard Claude Code auto-update received this fix automatically after release. Current users of Claude Code are unaffected, as versions prior to 1.0.24 are deprecated and have been forced to update.
How to check
- Affected: @anthropic-ai/claude-code (npm) < 1.0.20.
- Compare your installed version with the range above (command below).
How to fix
- Upgrade @anthropic-ai/claude-code to 1.0.20 or later.
npm ls @anthropic-ai/claude-code -g # or: claude --versionSources
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