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Security Advisory: cPanel cpsrvd SSL Downgrade Vulnerability

This is a security release for cPanel & WHM. Update the product on every affected server to the patched release — `sudo /scripts/upcp --force` — there is no workaround, and unpatched servers remain exposed until updated.

High
cPanel AlmaLinux 8 AlmaLinux 9 CentOS 7 CloudLinux 8 CloudLinux 9

Affected Versions

cPanel & WHM 120.0.8 and earlier

Patched Version

cPanel & WHM 120.0.12

Default Update CMD

yum update -y

Fix Commands

AlmaLinux 9 / CloudLinux 9

dnf clean metadata
/scripts/upcp --force

AlmaLinux 8 / CloudLinux 8

dnf clean metadata
/scripts/upcp --force

CentOS 7 / CloudLinux 7

yum clean all
/scripts/upcp --force

What this means under a SharedLicense license

Your SharedLicense license itself is not affected — this is a change in cPanel & WHM software, not in licensing. Apply it on every affected server: sudo /scripts/upcp --force. Licenses keep working through updates; nothing needs re-issuing or re-activating.

References

Security Advisories

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Select your product and operating system to see the exact fix commands that apply to you.

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