CVE-2025-27820— Apache HttpComponents: PSL (Public Suffix List) validation bypass
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I. Basic Information for CVE-2025-27820
Vulnerability Information
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Vulnerability Title
Apache HttpComponents: PSL (Public Suffix List) validation bypass
Source: NVD (National Vulnerability Database)
Vulnerability Description
A bug in PSL validation logic in Apache HttpClient 5.4.x disables domain checks, affecting cookie management and host name verification. Discovered by the Apache HttpClient team. Fixed in the 5.4.3 release
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache HttpClient 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache HttpClient是美国阿帕奇（Apache）基金会的一个 Java 编写的访问HTTP资源的客户端程序。该程序用于使用HTTP协议访问网络资源。 Apache HttpClient 5.4.3之前版本存在安全漏洞，该漏洞源于PSL验证逻辑错误，可能影响cookie管理和主机名验证。
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 |
|---|---|---|---|---|
| Apache Software Foundation | Apache HttpComponents | 5.4.0 ~ 5.4.3 | - |
II. Public POCs for CVE-2025-27820
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IV. Related Vulnerabilities
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