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CISA warns of hackers now exploiting critical Node2Shell flaw
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Fusion42 · 28 October 2026 · Fusion42 review
The US Cybersecurity and Infrastructure Security Agency (CISA) has confirmed active exploitation of a critical Node2Shell vulnerability (CVE-2026-111497) affecting Brotli compression libraries and ordered federal agencies to patch systems by November 10 under Binding Operational Directive 26-04.
This Wire brief sits within Fusion42's coverage of Cybersecurity.
◆ ◆ The Wire takeaway
You must act fast if your product uses Brotli compression as federal agencies face a mandated two-week patch deadline blocking sophisticated attacks. Delaying patching leaves your systems open to compromise and may force defensive workarounds like disabling Brotli or blocking traffic.
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1 source · 28 Oct 2026
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