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Threat Intelligence Report

Copy Fail: What You Need to Know About the Most Severe Linux Threat in Years

📅 May 6, 2026 📰 unit42.paloaltonetworks.com 🔍 1 CVE(s) referenced

A newly discovered, highly reliable Linux kernel vulnerability (CVE-2026-31431 "Copy Fail") allows any local attacker to instantly gain root access on millions of systems—including containers and cloud environments—using an unmodified 732-byte Python script, making immediate patching critical.

vendor
CVE-2026-31431

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