Security Advisory: cPanel Email Filters RCE

A remote code execution vulnerability was discovered in the cPanel email filters interface. Attackers with a low-privilege account could execute commands as root.

High 2026-08-06

cPanel AlmaLinux 9 CentOS 7 CloudLinux 7 CloudLinux 9

Affected Versions

TUI 18.0.42 and earlier

Patched Version

TUI 18.0.48

Default Update CMD

yum update -y

Fix Commands

CentOS 7 / CloudLinux 7

yum clean all
/scripts/upcp --force

AlmaLinux 9 / CloudLinux 9

dnf clean metadata
/scripts/upcp --force

A remote code execution vulnerability was discovered in the cPanel email filters interface. Attackers with a low-privilege account could execute commands as root.

References

Vendor Advisory

Security Advisories

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