CVE-2026-42016

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

September 11, 2026

Last Seen

September 11, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Critical CSF Vulnerability Allows Remote Code Execution57.8

A critical vulnerability in ConfigServer Security & Firewall (CSF), tracked as CVE-2026-65638, was disclosed on September 10, 2026. This flaw affects CSF versions 14.00 through 16.29, allowing unauthenticated remote attackers to execute arbitrary commands via the MESSENGER service. Administrators ar...