Security: CVE-2026-58048 Database Privilege Escalation
A privilege escalation vulnerability exists in cPanel & WHM's database management functionality.
Default Update CMD
sudo /scripts/upcp --forceSituation
A privilege escalation vulnerability exists in cPanel & WHM’s database management functionality.
Affected Product Versions
| Product | Affected Versions | Patched Versions |
|---|---|---|
| cPanel/WHM | All supported versions | 11.110.0.137 11.118.0.71 11.126.0.78 11.134.0.48 11.136.0.32 138.1.6 ( WP2 ) |
Impact
An authenticated cPanel account holder with access to the MySQL/MariaDB database feature could potentially execute arbitrary database commands with full administrative privileges. Depending on the operating system and database engine configuration, this may extend to operating-system-level compromise.
Call to action
Update to the latest patched version: How do I update cPanel/WHM?
Mitigation
Servers that cannot immediately upgrade can temporarily revoke the “MySQL” feature from cPanel users. This will not disable existing databases but just prevent adding/removing. To do so, you can follow the steps here:
How to edit a feature list
Acknowledgements
WebPros thanks Vincent55 Yang for responsibly disclosing this issue.
How to Apply the Fix
Update the affected packages on your server to the patched release, then restart the relevant services.
sudo /scripts/upcp --forceReferences
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