Critical cPanel Authentication Vulnerability Identified - Update Your Server Immediately
Briefly

Critical cPanel Authentication Vulnerability Identified - Update Your Server Immediately
"cPanel has released security updates to address a security issue impacting various authentication paths that could allow an attacker to obtain access to the control panel software."
"Namecheap disclosed that the vulnerability relates to an authentication login exploit that could allow unauthorized access to the control panel."
"As a precautionary measure, Namecheap has applied a firewall rule to block access to TCP ports 2083 and 2087, temporarily restricting customer access to their cPanel and WHM interfaces."
"Access to your control panels will be restored immediately once the patch has been successfully deployed."
cPanel has issued security updates to address a vulnerability affecting various authentication paths that could allow unauthorized access to its control panel software. All currently supported versions are impacted. Users are urged to update their servers if they are not running a supported version. Namecheap has implemented a firewall rule to block access to certain TCP ports, temporarily restricting customer access to cPanel and WHM interfaces. The fix has been applied to several server types as of April 29, 2026.
Read at The Hacker News
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