⚠️ ALERT: “HTTP2Shell” raises fresh concerns after the PHP warnings leaving Google’s Brotli compression library potentially vulnerable.

First reported Oct 24, 2026, 12:44 UTC

Source reports

⚠️ ALERT: “HTTP2Shell” raises fresh concerns after the PHP warnings leaving Google’s Brotli compression library potentially vulnerable. Discovered by OpenAI’s security team, CVE-2026-111497 affects software that decompresses malicious Brotli data, with risks extending beyond… — @coinbureau (X), Oct 24, 2026, 12:44 UTC

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