Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory
Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory
29 July 2026
Cybersecurity researchers have flagged a maximum-severity security flaw in Ruflo, an open-source agent meta-harness for Anthropic Claude Code and OpenAI Codex, that could result in unauthenticated remote code execution.
The vulnerability, tracked as CVE-2026-59726 (CVSS score: 10.0), impacts all versions of the project before version 3.16.3. It has been codenamed RufRoot by Noma Security's