OpenAI found a remote code execution flaw in the Brotli compression library, prompting Node.js, Bun, Envoy and PyPI maintainers to ship patches.

Brotli decoder flaw CVE-2026-111497 affects Node.js, Bun, Python packages and Envoy; code execution was demonstrated on one Node.js build.

Summary of this articleHTTP2Shell is a critical vulnerability in the data compression technology "Brotli" that may affect applications and web servers using Node.js and Python. Response is primarily ...