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Untriaged
Permalink CVE-2026-25723
created 2 months, 1 week ago
Claude Code Vulnerable to Command Injection via Piped sed Command Bypasses File Write Restrictions

Claude Code is an agentic coding tool. Prior to version 2.0.55, Claude Code failed to properly validate commands using piped sed operations with the echo command, allowing attackers to bypass file write restrictions. This vulnerability enabled writing to sensitive directories like the .claude folder and paths outside the project scope. Exploiting this required the ability to execute commands through Claude Code with the "accept edits" feature enabled. This issue has been patched in version 2.0.55.

Affected products

claude-code
  • ==< 2.0.55

Matching in nixpkgs

pkgs.claude-code

Agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster

pkgs.claude-code-acp

ACP-compatible coding agent powered by the Claude Code SDK

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Agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster

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pkgs.claude-code-router

Tool to route Claude Code requests to different models and customize any request

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pkgs.gnomeExtensions.claude-code-switcher

A GNOME shell extension for quickly switching Claude Code API providers with enhanced performance and reliability.

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    • nixos-unstable-small 13
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    • nixpkgs-25.11-darwin 13

pkgs.gnomeExtensions.claude-code-usage-indicator

Shows remaining time and usage percentage for Claude Code sessions in the top panel. Displays format like '3h 12m (30%)' showing both time remaining and percentage consumed. Automatically refreshes every 5 minutes.

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    • nixos-unstable-small 3
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    • nixpkgs-25.11-darwin 3

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