CVE-2026-29783

The shell tool within GitHub Copilot CLI versions prior to and including 0.0.422 can allow arbitrary code execution through crafted bash parameter expansion patterns. An attacker who can influence the commands executed by the agent e.g., via prompt injection through repository files, MCP server...

Command Injection

Overview @github/copilot is a GitHub Copilot CLI brings the power of Copilot coding agent directly to your terminal. Affected versions of this package are vulnerable to Command Injection via crafted bash parameter expansion patterns in the shell command assessment process. An attacker can execute...

CVE-2026-29783 GitHub Copilot CLI allows for dangerous shell expansion patterns that enable arbitrary command execution

The shell tool within GitHub Copilot CLI versions prior to and including 0.0.422 can allow arbitrary code execution through crafted bash parameter expansion patterns. An attacker who can influence the commands executed by the agent e.g., via prompt injection through repository files, MCP server...

PT-2026-23732

Name of the Vulnerable Software and Affected Versions GitHub Copilot CLI versions prior to 0.0.423 Description The shell tool within GitHub Copilot CLI is susceptible to arbitrary code execution through crafted bash parameter expansion patterns. An attacker influencing commands executed by the...

XXExploiter - Tool To Help Exploit XXE Vulnerabilities

I wrote this tool to help me testing XXE vulnerabilities. It generates the XML payloads, and automatically starts a server to serve the needed DTD's or to do data exfiltration. IMPORTANT: This tool is still under development and although most of its features are already working, some may have not...