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CISA warns of hackers now exploiting critical Node2Shell flaw

BleepingComputer·October 28, 2026·1 min read
CISA warns of hackers now exploiting critical Node2Shell flaw

On Tuesday, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed that hackers have begun exploiting a critical Brotli vulnerability known as Node2Shell, Broccoli2Shell, and HTTP2Shell. The agency's warning signals active attacks against the flaw, urging organizations to patch affected systems promptly to prevent compromise.

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