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...

CVE-2026-71290: Improper Certificate Validation

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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-64607

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager if it encounters an invalid or...

CVE-2026-64607

HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager if it encounters an invalid or unsupported Content-Encoding header value in the response message. Please note this defect does not affect HttpClient based on the async i/o...

CVE-2026-64607

HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager if it encounters an invalid or unsupported Content-Encoding header value in the response message. Please note this defect does not affect HttpClient based on the async i/o...

CVE-2026-64607 Apache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to Pool Exhaustion DoS

HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager if it encounters an invalid or unsupported Content-Encoding header value in the response message. Please note this defect does not affect HttpClient based on the async i/o...

PT-2026-75976

HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager if it encounters an invalid or unsupported Content-Encoding header value in the response message. Please note this defect does not affect HttpClient based on the async i/o...

CVE-2026-64607: Missing Release of Resource after Effective Lifetime

HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager if it encounters an invalid or unsupported Content-Encoding header value in the response message. Please note this defect does not affect HttpClient based on the async i/o...

Security Bulletin: Vulnerability for path traversal fixed in IBM Security Verify Governance

Summary The following security vulnerability has been addressed in IBM Security Verify Governance. Vulnerability Details IBM X-Force ID: 220912 DESCRIPTION: Apache HttpComponents Client could allow a remote attacker to traverse directories on the system, caused by improper validation of user...