Lucene search
+L
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Settings
Sign in

CVE-2026-71290

🗓️ 17 Aug 2026 19:07:26Reported by redhat.comType 
redhatcve
 redhatcve🔗 access.redhat.com👁 13 Views

Apache HttpComponents Client async TLS hostname verification flaw enables MITM attacks via certificate impersonation.

Related
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins		Security Bulletin: Due to the use of Apache HttpComponents Client 5.4, IBM Sterling Control Center is vulnerable to Improper Certificate Validation (CVE-2026-71290)
22 Sep 202610:01
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities are addressed with IBM Process Mining Interim Fix for August 2026
31 Aug 202610:29
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise is vulnerable to Missing Release of Resource after Effective Lifetime and Improper Certificate Validation due to HttpClient (CVE-2026-64607 & CVE-2026-71290)
4 Sep 202612:46
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Multiple Security Vulnerabilities in Apache HttpComponents Client affect IBM Content Navigator
28 Sep 202610:07
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite uses httpclient5-5.6.3.jar which is vulnerable to CVE-2026-71290
14 Sep 202611:49
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities
7 Sep 202607:04
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Cloud Pak for Data System (CPDS 1.0) is affected by multiple vulnerabilities in various components
7 Sep 202606:31
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Quantum Safe Explorer is affected by multiple vulnerabilities
31 Aug 202606:49
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities exists in IBM Netezza Software
7 Sep 202607:03
–ibm
attackerkb
attackerkb		CVE-2026-71290
11 Aug 202620:33
–attackerkb
Rows per page

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
10 Sep 2026 14:58Current
5Medium risk
Vulners AI Score5
CVSS 3.18.1 - 9.1
EPSS0.00331
SSVC
CWE-295
Apache HttpComponentsTLS hostname verificationMan-in-the-Middleremote attackerinterception
13