What is GHSA-jcvh-gm3c-qh9q?

GHSA-jcvh-gm3c-qh9q is a security advisory published by GitHub Security Advisories with Critical severity. Incorrect database cloning process in Plesk from 18.0.52 before 18.0.79.6 and 18.0.80.2 allows a...

Which CVE IDs does GHSA-jcvh-gm3c-qh9q cover?

GHSA-jcvh-gm3c-qh9q covers the following CVE IDs: CVE-2026-64639. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-jcvh-gm3c-qh9qCritical

Incorrect database cloning process in Plesk from 18.0.52 before 18.0.79.6 and 18.0.80.2 allows a...

Vendor

GitHub Security Advisories

Published

August 12, 2026

Last Modified

August 12, 2026

🔗 CVE IDs covered (1)

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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-64639
https://support.plesk.com/hc/en-us/articles/42521305418903-Vulnerability-CVE-2026-64639-Privilege-Escalation-via-Database-Cloning-in-Plesk
https://github.com/advisories/GHSA-jcvh-gm3c-qh9q