CVE-2026-64637

CRITICAL

CVE: CVE-2026-64637 - Improper privilege management in the XML-RPC API of Plesk before 18Sign in to save

CVSS

9.9

CVSS

EPSS

0.3%

Exploit Prediction Score

Published

August 7, 2026

Exploitability

EPSS probability 0.3%

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.

Weaknesses

CWE-269

Affected Packages

No package data available.

Aliases

CVE-2026-64637

Related references

Publisher and database URLs for this record (shown for attribution; reading stays in Bugflare).

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