Debian and Ubuntu APT Flaw Lets Hackers Hijack Software Updates and Execute Code as Root

A newly disclosed bug in APT, the package manager behind Debian and Ubuntu, can let a network spy swap a trusted software package for a bad one. The flaw is tracked as CVE-2026-109518 and can end in code running with root rights, the highest level of control on a Linux system. Debian announced the issue…

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Source published: 04 Nov 2026, 10:06 PM IST. Source facts take precedence over AI interpretation.