Critical ConfigServer Security & Firewall Flaw Lets Remote Attackers Execute Arbitrary Commands
ID: 0949e029-8ff8-558c-b807-8c64b8db224b
STIX ID: report--0949e029-8ff8-558c-b807-8c64b8db224b
Feed Name: Cyber Press
Threat Score
**Executive summary:** A critical RCE vulnerability (CVE-2026-65638) in the MESSENGER component of ConfigServer Security & Firewall (CSF) affects versions 14.00–16.29 and allows unauthenticated remote command execution as the CSF service account; administrators should immediately upgrade to CSF 16.30+ or disable the MESSENGER service and review logs for signs of compromise.
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