CVE-2026-64637

CRITICAL CVSS 9.9 View on NVD ↗

Description

Improper privilege management in the XML-RPC API of Plesk before 18.0.80, allows an authenticated reseller to obtain an administrative session for the root user account.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

https://support.plesk.com/hc/en-us/articles/42432168683799

Published: Aug 07, 2026 18:17 UTC Modified: Aug 07, 2026 19:18 UTC