Vulnerabilities in the Vim and GNU Emacs text editors, discovered using simple prompts with the Claude assistant, allow remote code execution simply by opening a file. The assistant also created multiple versions of proof-of-concept (PoC) exploits, refined them, and provided suggestions to address the security issues. Vim and GNU Emacs are programmable text editors primarily used by developers and sysadmins for code editing, terminal-based workflows, and scripting. Vim in particular is widely used in DevOps, and is installed by default on most Linux server distributions, embedded systems, and macOS. Vim flaw and fix Hung Nguyen, a researcher at the boutique cybersecurity firm Calif, which specializes in AI red teaming and security engineering, found the issues in Vim after instructing…