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.
Plesk 18.0.79.7 及更早版本，或 18.0.80 至 18.0.80.3 版本中，存在不安全的直接对象引用（IDOR）漏洞。该漏洞允许远程认证用户读取和修改其他客户数据库中的数据。
Possible ATT&CK Techniques 1 AI
T1210 · Exploitation of Remote Services
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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
Affected Products
II. Public POCs for CVE-2026-65642
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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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 | Plesk 符号链接解析缺陷致 Root 远程代码执行 |
| CVE-2026-65646 | 8.7 HIGH | Plesk 特殊字符处理不当致本地文件泄露及权限提升 |
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V. Comments for CVE-2026-65642
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