CVE-2026-64637

Published: Aug 7, 2026Modified: Sep 3, 2026

9.9

Vector

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

Exploitability: 3.1 / Impact: 6.0

Source: support@hackerone.com (Secondary)

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.

Related CWEs

CWE-269

Improper Privilege Management

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

References (1)

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

Source: support@hackerone.com

Timeline

No history available yet.