CRITICALCVSS 9.9

CVE-2026-64637

CVE-2026-64637 updated by NVD

Modified: 2026-08-09
Sources: nvd

Summary

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://nvd.nist.gov/vuln/detail/CVE-2026-64637

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.