CVE-2026-64636: Plesk 18.0.51 to before 18.0.80.1

CVE-2026-64636. CVSS 3.1 base score 7.7 (HIGH, Vendor/CNA). EPSS 0.00403 (percentile 0.3337), scored 22-Oct-2026.

Affected technology

Plesk · 18.0.51 to before 18.0.80.1
WebPros

Description’s affected range: up to 18.0.80 for Linux and Windows

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An authenticated user can read arbitrary data from the panel database. Vendor/CNA’s CVSS 3.1 assessment (base score 7.7/10) rates confidentiality impact as high; integrity and availability impact as none.

Published 24-Oct-2026 01:43 UTC

CWE: CWE-89
CCR priority: 30.9 /100 (P4)
CVSS 3.1: 7.7 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N · Vendor/CNA
EPSS: 0.00403 · percentile 0.3337 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-64636.html