Critical 'HTTP2Shell' Brotli vulnerability triggers emergency patches

Reported by BleepingComputer (Bill Toulas)

Summary by Cyber Security News26 Oct 2026, 17:27 CET

About this summary. This is a short excerpt from the description that BleepingComputer published with its article. Cyber Security News did not report or verify the underlying story. Read the original: https://www.bleepingcomputer.com/news/security/critical-http2shell-brotli-vulnerability-triggers-emergency-patches/

Critical 'HTTP2Shell' Brotli vulnerability triggers emergency patches — Image: BleepingComputer

A critical flaw dubbed 'HTTP2Shell' in Brotli, the C decoder library built into Node.js, could allow attackers to corrupt memory and access sensitive data.

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