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CVE-2026-65642

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 18.0.79.7及之前版本和18.0.80至18.0.80.3版本存在授权问题漏洞，该漏洞源于不安全的直接对象引用，允许远程认证用户读取和修改其他客户的数据库。

CVSS 8.6 · High EPSS 0.48% · P40

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services

Affected Version Matrix 2

VendorProduct Version RangeStatus
WebPros Plesk ≤ 18.0.79.7 affected
18.0.80< 18.0.80.4 affected
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I. Basic Information for CVE-2026-65642

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insecure direct object reference in Plesk 18.0.79.7 and earlier or 18.0.80 through 18.0.80.3, allows remote authenticated users to read and modify other customers' databases.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
WebPros Plesk 授权问题漏洞
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 18.0.79.7及之前版本和18.0.80至18.0.80.3版本存在授权问题漏洞，该漏洞源于不安全的直接对象引用，允许远程认证用户读取和修改其他客户的数据库。
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 0 ~ 18.0.79.7 -

II. Public POCs for CVE-2026-65642

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III. Intelligence Information for CVE-2026-65642

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Vendor Advisories for CVE-2026-65642 (1)

Same Patch Batch · WebPros · 2026-08-26 · 3 CVEs total

CVE-2026-65647 8.7 HIGH WebPros Plesk Migrator 后置链接漏洞
CVE-2026-65646 WebPros Plesk 输入验证错误漏洞

IV. Related Vulnerabilities

Same product: Plesk
Same vendor: WebPros
Same weakness: CWE-639