An RCE flaw was found in Brotli, a Google-built open-source data compression algorithm.
The Node2Shell vulnerability in Brotli is under active attack. Patch Node.js to 26.12.1, 24.22.1 or 22.23.4 now.
Microsoft, Node.js, and Python package maintainers have patched Node2Shell (CVE-2026-111497), a critical Brotli decoder flaw.
Brotli decoder flaw CVE-2026-111497 affects Node.js, Bun, Python packages and Envoy; code execution was demonstrated on one ...