vulnerability Six Proto6 Vulnerabilities in protobuf.js Expose Node.js Apps to RCE and DoS Six vulnerabilities, dubbed Proto6, have been identified in protobuf.js, a JavaScript implementation of Protocol Buffers. These flaws could lead to remote code execution (RCE) and denial-of-service (DoS) attacks, primarily affecting Node.js applications that utilize the library. The vulnerabilities stem from the librar… The Hacker News · Jun 10, 2026 High CVE-2026-44289CVE-2026-44290CVE-2026-44291node.jsprotobufrce