Hey, it's Asim · Apr 5, 2026
Spooler Alert: Remote Unauth'd RCE-to-root Chain in CUPS
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TLDR: my self-orchestrating team of vulnerability hunting agents discovered two issues in CUPS, CVE-2026-34980 and CVE-2026-34990 , chainable into unauthenticated remote attacker -> unprivileged RCE -> root file (over)write . See below for the prerequisites, details, and mitigation options. 

 Intro
 
 
 
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 CUPS is the standard way to do printing on…
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