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cPanel & WHM Security Issue (2026-05-11)

PostedSun, 10 May 2026 22:50 PM UTC
Sun, 10 May 2026 18:50 PM EDT
Last UpdateMon, 11 May 2026 00:36 AM UTC (44 hours ago)
Sun, 10 May 2026 20:36 PM EDT
StatusClosed

A security issue has been identified in the cPanel software affecting all currently supported versions relating to various authentication paths.

Please run the following command to retrieve the patched version.

/scripts/upcp --force
/scripts/restartsrv_cpsrvd --hard

More detailed information is avilable on the below notice links

Should you need assistance with this, please pop in a support ticket.

References:
https://support.cpanel.net/hc/en-us/articles/40311033698327-Security-CVE-2026-29201-cPanel-WHM-WP2-Security-Update-May-08-2026
https://support.cpanel.net/hc/en-us/articles/40311426610327-Security-CVE-2026-29202-cPanel-WHM-WP2-Security-Update-May-08-2026
https://support.cpanel.net/hc/en-us/articles/40311543760407-Security-CVE-2026-29203-cPanel-WHM-WP2-Security-Update-May-08-2026

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