CISA Warns of Hackers Now Exploiting Critical Node2Shell Flaw
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7 Articles
BleepingComputer
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.
CISA warns of the active exploration of critical failure in Brotli (CVE-2026-111497), known as Node2Shell, which may compromise Node.js applications, .NET environments and Linux servers.
Already corrected in Node.js and .NET, the vulnerability CVE-2026-111497 is now exploited by hackers. CISA calls for the implementation of the available updates without delay.
Node2Shell Vulnerability Actively Exploited in the Wild, CISA Warns
CISA has added the Node2Shell flaw, tracked as CVE-2026-111497, to its Known Exploited Vulnerabilities catalog. Attackers are already sending live exploit traffic at Node.js servers, so teams should patch right away. CISA added the bug to its Known Exploited Vulnerabilities catalog on October 27, 2026. Federal agencies must fix it by November 10, 2026. CISA […]
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