Critical severityNVD Advisory· Published Aug 12, 2026

CVE-2026-64639

Description

Incorrect database cloning process in Plesk from 18.0.52 before 18.0.79.6 and 18.0.80.2 allows a low-privileged user (customer, reseller) to execute arbitrary code on behalf of the database server administrator.

Affected products

Plesk/Pleskllm-fuzzy
Range: <18.0.79.6, <18.0.80.2

Patches

Vulnerability mechanics

References

support.plesk.com/hc/en-us/articles/42521305418903-Vulnerability-CVE-2026-64639-Privilege-Escalation-via-Database-Cloning-in-Plesknvd

News mentions

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cvss	0.585
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ransomware	0.000