Someone's attacking a critical 0-day RCE in F5 BIG-IP APM

Summary by Cyber Security News23 Sep 2026, 20:09 CEST

About this summary. This is a short, independently written summary of an article first published by The Register. Cyber Security News did not report or verify the underlying story. Read the original: https://www.theregister.com/security/2026/09/23/someones-attacking-a-critical-0-day-rce-in-f5-big-ip-apm/5298659

F5 has fixed a critical zero-day bug in its BIG-IP Access Policy Manager (APM) that unknown miscreants are exploiting to remotely execute malicious code. BIG-IP APM is a centralized access management and security proxy that allows users to connect to enterprise networks, applications, APIs, and cloud services via a single login.

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