Improper Certificate Validation

Apache HttpComponents Client is vulnerable to Improper Certificate Validation. The vulnerability is due to the HostnameVerificationPolicyBUILTIN setting being ineffective in the asynchronous HttpClient, which allows an attacker capable of intercepting and modifying traffic to impersonate the...

SUSE CVE-2026-71290

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

Linux Distros Unpatched Vulnerability : CVE-2026-71290

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used...

DEBIAN-CVE-2026-71290

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

CVE-2026-71290

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

UBUNTU-CVE-2026-71290

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

CVE-2026-71290

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

EUVD-2026-56973

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

CVE-2026-71290

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

CVE-2026-71290

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicyBUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonat...

CVE-2026-71290

Apache HttpComponents Client 5.4 and newer contains an improper TLS hostname verification vulnerability (CWE-295) in the async version of HttpClient. The root cause is that the HostnameVerificationPolicy#BUILTIN setting has no effect, allowing a network attacker to intercept traffic and impersona...

PT-2026-70917

Name of the Vulnerable Software and Affected Versions Apache HttpComponents Client versions 5.4 through 5.6.3 Description An issue exists where the HostnameVerificationPolicyBUILTIN setting is ignored when using the async version of HttpClient. This failure in TLS hostname verification allows an...

CVE-2013-7398

main/java/com/ning/http/client/AsyncHttpClientConfig.java in Async Http Client aka AHC or async-http-client before 1.9.0 does not require a hostname match during verification of X.509 certificates, which allows man-in-the-middle attackers to spoof HTTPS servers via an arbitrary valid certificate...