CUPS Vulnerability Chain Enables Remote Attacker to Execute Malicious Code as Root User

A critical vulnerability chain in the Common Unix Printing System (CUPS) that allows unauthenticated remote attackers to execute arbitrary malicious code with root system privileges. Security researcher Asim Viladi Oglu Manizada and his team discovered two zero-day flaws, officially tracked as CVE-2026-34980 and CVE-2026-34990, that affect CUPS versions 2.4.16 and older. The sophisticated attack chain […]

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