Security · 25 October 2026

Google Brotli Decoder Flaw Enables RCE in Node.js, Bun, Python, Envoy

A memory‑corruption flaw in Google's Brotli decoder (CVE‑2026‑111497) allows crafted compressed data to overwrite buffers, affecting Node.js, Bun, Python Brotli, brotlicffi packages, and Envoy proxies.

Why it matters

Assess whether your product processes Brotli data; prioritize patching to prevent remote code execution.

For product managers

For your product
What does this mean for your product?
Try it on your product

Get this every morning, written for your product.

Deltaday reads the whole AI news cycle and tells you what changed, whether it's real yet, and what to do about it.