CRITICAL 9.9 NVD

CVE-2026-64637

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

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.

References

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

Published: 2026-08-07 · Source: NVD · Feed updated: 2026-08-10

This critical severity vulnerability with a CVSS score of 9.9 was published on 2026-08-07 via NVD.

Risk Timeline

CVE Disclosed2026-08-07 · 2 days ago

Remediation Resources

Analysis & PoC

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

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