CVE-2026-64639

State: Published
Severity: 9.3 Critical
Published: Aug 12, 2026
Updated: Aug 14, 2026
Reserved: Jul 20, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	hackerone

Weaknesses

CWE-266 Incorrect Privilege Assignment

Affected Products

Product	Versions
PleskWebPros	18.0.52 to before 18.0.79.6Affected 18.0.80.0 to before 18.0.80.2Affected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.