nginx worker spawning shell process post CVE-2026-42533 RCE

Georgios Maragos@Gmarak

•updated Jul 28, 2026•1•0•20

Detects instances where an nginx worker process spawns a shell interpreter, such as sh or bash. This behavior is highly irregular for a web server and is often indicative of exploitation of a remote code execution vulnerability, such as the referenced CVE-2026-42533.