CVE-2026-64639
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.
CSIRTS triage
- What
- A privilege escalation vulnerability exists in Plesk via database cloning.
- Who is affected
- Plesk users on Windows and Linux running versions before 18.0.79.6 and 18.0.80.2.
- Urgency
- Moderate; no active exploitation reported but privilege escalation allows attacker persistence.
- Action
- Upgrade to Plesk 18.0.79.6 or 18.0.80.2 or later.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all EPSS-scored CVEs.
Advisory coverage (2)
- unknownWebPros security advisory (AV26-815)cccs · 2026-08-13
- unknownCVE-2026-64639: Incorrect database cloning process in Plesk from 18.0.52 before 18.0.79.6 and 18.0.80.2 allows…nvd · 2026-08-12
External references
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