APT CVE-2026-109518 turns a routine package update into a root escalation path.
If the package source can be intercepted, the update mechanism itself becomes the attack - no phishing, no exploit chain, just a poisoned mirror.
Defence is straightforward: pin trusted repositories, verify signatures, and never let a package manager reach the network over plain HTTP.
https://hsecurities.in/blog/de....bian-ubuntu-apt-cve-
#cybersecurity #linux #vulnerability #patchmanagement #infosec
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