Security Bulletin: IBM Integrated Analytics System (IIAS) is affected by a denial of service vulnerability due to Apache HttpComponents Client

Summary Apache HttpComponents Client is used by IBM Integrated Analytics System as an HTTP client library for Java applications. CVE-2026-64607 affects classic I/O-based Apache HttpClient versions 5.0-alpha1 through 5.6.2, where the client fails to properly release underlying connections back to...

CLEANSTART-2026-ZL64046 Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5

CVE-2026-71290 affects multiple packages. Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5. See references for individual vulnerability details...

Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to multiple issues in Apache HttpComponents (CVE-2026-64607, CVE-2026-71290 )

Summary IBM Watson Speech Services Cartridge is vulnerable to Improper Certificate Validation and Missing Release of Resource in Apache HttpComponents, due to flaws in TLS hostname verification and HttpClient. Apache is used in our Speech microservices. These vulnerabilities have been addressed...

Oracle Access Manager 14.1.2.1 (October 2026 CPU)

The 14.1.2.1.0 version of Access Manager installed on the remote host is affected by a vulnerability as referenced in the October 2026 CPU advisory. - Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware component: Third Party Apache HttpComponents. The supported version...

org.apache.httpcomponents.client5/httpclient5: Apache HttpComponents Client: Server impersonation via improper TLS hostname verification

A flaw was found in the asynchronous version of Apache HttpComponents Client. This improper Transport Layer Security TLS hostname verification vulnerability allows a remote attacker to intercept and modify network traffic. By presenting a valid certificate for a different domain, an attacker can...

org.apache.httpcomponents.client5/httpclient5: Apache HttpComponents Client: Denial of Service due to connection leak

A flaw was found in Apache HttpComponents Client, specifically in its classic input/output I/O model. When processing a response message with an invalid or unsupported Content-Encoding header, the client fails to properly release the underlying network connection. This connection leak can lead to...

CLEANSTART-2026-HN97324 Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5

CVE-2026-71290 affects multiple packages. Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5. See references for individual vulnerability details...

Security Bulletin: IBM Integrated Analytics System (IIAS) is affected by multiple vulnerabilities in system and open source components

Summary IBM Integrated Analytics System IIAS includes various open source packages, runtimes, and system libraries as part of its underlying platform. Multiple security vulnerabilities have been identified across components including Oracle Java SE, cryptography, Apache HttpComponents, libssh,...

CLEANSTART-2026-SC69074 Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder in Apache HttpComponents Core (5

Security vulnerability affects the apache-nifi package. Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder in Apache HttpComponents Core 5...

CLEANSTART-2026-YT77949 Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5

CVE-2026-71290 affects multiple packages. Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5. See references for individual vulnerability details...

CLEANSTART-2026-XZ10656 Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder in Apache HttpComponents Core (5

Security vulnerability affects the sonarqube package. Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder in Apache HttpComponents Core 5...

CLEANSTART-2026-GO38541 Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder in Apache HttpComponents Core (5

Security vulnerability affects the apache-nifi package. Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder in Apache HttpComponents Core 5...

Security Bulletin: Vulnerabilities in Netty,Spring Boot,ZDRES-232,Apache HttpComponents,Spring Security,PostCSS,spring-cloud-gateway-server might affect IBM Storage Defender Copy Data Management

Summary IBM Storage Defender Copy Data Management can be affected by vulnerabilities in Netty, Spring Boot, ZDRES-232, Apache HttpComponents,Spring Security, PostCSS,spring-cloud-gateway-server. Vulnerabilities include attacker supplies com.myapp.SomeClass causes clinit of SomeClass â€" and many...

ROOT-APP-MAVEN-CVE-2026-54428 CVE-2026-54428 in org.apache.httpcomponents.core5:httpcore5-h2 - Patched by Root

Root has patched CVE-2026-54428 in the org.apache.httpcomponents.core5:httpcore5-h2 package for Root:Maven. Multiple fixed versions available...

CLEANSTART-2026-TI66876 Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5

CVE-2026-71290 affects multiple packages. Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5. See references for individual vulnerability details...

CLEANSTART-2026-MM56894 Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder in Apache HttpComponents Core (5

Security vulnerability affects the sonarqube package. Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder in Apache HttpComponents Core 5...

PT-2026-108469

Security vulnerability affects the sonarqube package. Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder in Apache HttpComponents Core 5...

Security Bulletin: Multiple Security Vulnerabilities in Apache HttpComponents Client affect IBM Content Navigator

Summary Apache HttpComponents Client is affected by two vulnerabilities CVSS up to 9.1, Critical. CVE-2026-71290 CVSS 9.1 is an improper TLS hostname verification flaw in the async HttpClient versions 5.4 and later where HostnameVerificationPolicyBUILTIN has no effect, allowing a network attacker...

Security Bulletin: IBM Quantum Safe Explorer is affected by multiple vulnerabilities

Summary Multiple vulnerabilities are found in dependent open source libraries used in IBM Quantum Safe Explorer code base. IBM Quantum Safe Explorer has addressed these vulnerabilities by updating the versions of the affected libraries. Vulnerability Details CVEID:CVE-2026-64607 DESCRIPTION:...

Security Bulletin: HttpClient based on the classic i/o model fails to correctly release the underlying connection

Summary 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...