WebPros security advisory (AV26-854)
Canadian Centre for Cyber Security relayed a WebPros advisory covering Plesk vulnerabilities CVE-2026-65642 and CVE-2026-65647 with fixed versions released.
WebPros released a security advisory affecting Plesk versions prior to 18.0.79.8 and 18.0.80.4, Plesk Migrator prior to 2.36.0, and Plesk Site Import prior to 1.12.1. The listed vulnerabilities are CVE-2026-65642 in Plesk's database management interface and CVE-2026-65647 in the Site Import and Migrator extensions. The Canadian Centre for Cyber Security (AV26-854) encourages users and administrators to apply the available updates.
- Plesk fixed in 18.0.79.8 and 18.0.80.4
- CVE-2026-65642 affects Plesk database management interface
- CVE-2026-65647 affects Site Import and Migrator extensions
- Relayed by Canadian Centre for Cyber Security as AV26-854
- Vendors
- WebPros
- Organizations
- Canadian Centre for Cyber Security
- Countries
- Canada
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-65642 | Authenticated IDOR in WebPros Plesk exposes other customers' databases | 8.6 | <1% | ||
| CVE-2026-65647 | Authenticated Root RCE via Improper Symlink Handling in Plesk | 8.7 | <1% |
From the original article
Serial number: AV26-854 Date: August 27, 2026 As of August 26, 2026, WebPros is affected by vulnerabilities in the following products: Plesk Prior to 18. 0. 79.
cyber.gc.ca
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