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REVERSE-SHELL

Reverse-Shell

2 reports
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Claude Code Indirect Prompt Injection Spawns Reverse Shell

Claude Code Indirect Prompt Injection Spawns Reverse Shell

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 8.5 SecurityWeek

Researchers have demonstrated that indirect prompt injection attacks embedded within seemingly benign code repositories can cause Claude Code — Anthropic's agentic coding assistant — to spawn a reverse shell on a developer's machine. The attack exploits Claude Code's autonomous execution capabilities, using hidden instructions in repository content to hijack the host system without any explicit user consent. This highlights a critical risk in agentic AI tools that operate with elevated system privileges in developer environments.

Claude Code Prompt Injection via GitHub Supply Chain

Claude Code Prompt Injection via GitHub Supply Chain

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 9.1 BleepingComputer

Mozilla 0DIN researchers demonstrated a novel attack chain in which a seemingly clean GitHub repository tricks AI coding agents like Claude Code into executing a reverse shell payload — with no malicious code ever present in the repo itself. The attack leverages three innocuous components: a Python package that deliberately errors on first run, an error message that instructs the agent to run an init command, and a shell script that fetches and executes a payload stored in an attacker-controlled DNS TXT record. The technique exploits the autonomous error-recovery behaviour of agentic AI tools, effectively turning a safety feature into an attack vector.

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