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cPanel ConfigServer Security & Firewall Vulnerability Allows Remote Attacker to Execute Arbitrary Commands

ID: c6045c9d-d31a-5b35-bd2f-9dad51a1767a

STIX ID: report--c6045c9d-d31a-5b35-bd2f-9dad51a1767a

Feed Name: cybersecurityNews.com

Threat Score
68/100

Date Published: 2026-09-11

Date Updated: 2026-09-11

Author: Abinaya

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Critical unauthenticated remote command-execution vulnerability (CVE-2026-65638) exists in the ConfigServer Security & Firewall (CSF) MESSENGER service for versions 14.00–16.29; administrators should update to CSF 16.30+ or disable the MESSENGER feature (MESSENGER = 0) and restart csf/lfd to mitigate exposure.

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