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Reported by 3 outlets

ConfigServer Firewall Remote Code Execution (CVE-2026-65638)

hot0.0
Why this score
Breadth
1.50 / 2.0 · 3 sources
Authority
1.20 / 2.0 · best outlet weight
Severity
1.00 / 5.0 · CVSS + content signals
Velocity
0.00 / 2.0 · updates in 48h
Pickup speed
0.57 / 0.6 · time to second source
Recency
× 0.00 temporal multiplier
Community
+ 0.00 / 1.5 · reddit signal
Score
0.0 / 10 = base × recency + community
gbhackers.combeyondmachines.netcyberpress.org CVE-2026-65638 first seen 32d ago

Timeline

  1. original reporting

    cPanel Urges Users to Patch ConfigServer Firewall Remote Code Execution Flaw

    gbhackers.com · 32d ago · September 11th, 2026

    A recently disclosed vulnerability in ConfigServer Security & Firewall (CSF) could allow unauthenticated remote attackers to execute arbitrary commands through the product’s MESSENGER service. This vulnerability, tracked as CVE-2026-65638, affects CSF versions 14.00 through 16.29 and has been addressed in version 16.30 and later. CSF is widely used on Linux servers and in cPanel/WHM environments […] The post cPanel Urges Users to Patch ConfigServer Firewall Remote Code Execution Flaw appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform .

  2. update from cyberpress.org

    Critical ConfigServer Security & Firewall Flaw Lets Remote Attackers Execute Arbitrary Commands

    cyberpress.org · 32d ago · September 11th, 2026

    The issue was identified in the MESSENGER service of ConfigServer Security & Firewall, a widely deployed firewall-management solution used on Linux hosting servers and cPanel & WHM environments. The vulnerable component could allow a remote attacker to execute commands as the CSF service account without requiring authentication. Critical ConfigServer Security & Firewall Flaw Although successful exploitation does not immediately grant root-level access, the vulnerability creates a serious remote code execution risk. An attacker gaining access through the flaw could enumerate the affected server, inspect configuration files, access application data, search for credentials, target hosted websites, or attempt to elevate privileges through additional local vulnerabilities or misconfigurations. Hosting providers and server administrators commonly use CSF to manage firewall policies, detect repeated failed login attempts, block brute-force activity , and automate security alerts. As a result, the flaw could be particularly significant in shared-hosting and multi-tenant environments, where compromising a single server could expose multiple websites, customer accounts, or administrative services.

  3. update from beyondmachines.net

    Critical ConfigServer Firewall Flaw Allows Unauthenticated Remote Command Execution ConfigServer Security & Firewall (CSF) patched a critica

    beyondmachines.net · 31d ago · September 12th, 2026

    Critical ConfigServer Firewall Flaw Allows Unauthenticated Remote Command Execution ConfigServer Security & Firewall (CSF) patched a critica

    via Mastodon https://beyondmachines.net/event_details/critical-configserver-firewall-flaw-allows-unauthenticated-remote-command-execution-b-r-4-6-3/gD2P6Ple2L

Source on GitHub