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Microsoft and others scramble to patch 'HTTP2Shell' flaw which could be the next PHP-level issue — Node.js problem may also affect millions of sites

Source: TechRadarSead FadilpašićOctober 27, 2026
Read the full story at TechRadar

A significant security flaw called HTTP2Shell has been discovered, prompting Microsoft and other technology companies to release patches. The vulnerability is compared in severity to historical PHP-level issues and potentially impacts millions of websites using Node.js. The rapid industry response indicates the critical nature of this security threat.

Key points

  • HTTP2Shell flaw discovered in Node.js with widespread impact potential
  • Microsoft and others releasing patches urgently
  • Compared to historical PHP-level vulnerabilities in severity

Summary and key points written by AI from the headline and a short excerpt, so they can be incomplete or wrong. TechRadar did the reporting; read the original for the full story.

Read the full story at TechRadar

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