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CVE-2026-64639

Quick assessment

Affected
WebPros Plesk
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WebPros Plesk是WebPros公司的一款网站服务器管理平台。 WebPros Plesk 18.0.52至18.0.79.6之前版本和18.0.80.2之前版本存在权限许可和访问控制问题漏洞，该漏洞源于数据库克隆过程不正确，可能导致低权限用户（客户、经销商）以数据库服务器管理员身份执行任意代码。

CVSS 9.3 · Critical EPSS 0.55% · P44

Possible ATT&CK Techniques 2 AI

T1500 T1078 · Valid Accounts

Affected Version Matrix 2

VendorProduct Version RangeStatus
WebPros Plesk 18.0.52< 18.0.79.6 affected
18.0.80.0< 18.0.80.2 affected
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I. Basic Information for CVE-2026-64639

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
特权授予不正确
Source: CVE Program / CVE List V5
Vulnerability Title
WebPros Plesk 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WebPros Plesk是WebPros公司的一款网站服务器管理平台。 WebPros Plesk 18.0.52至18.0.79.6之前版本和18.0.80.2之前版本存在权限许可和访问控制问题漏洞，该漏洞源于数据库克隆过程不正确，可能导致低权限用户（客户、经销商）以数据库服务器管理员身份执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
WebPros Plesk 18.0.52 ~ 18.0.79.6 -

II. Public POCs for CVE-2026-64639

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III. Intelligence Information for CVE-2026-64639

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IV. Related Vulnerabilities

Same product: Plesk
Same vendor: WebPros
Same weakness: CWE-266

V. Comments for CVE-2026-64639

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