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

🗓️ 29 Sep 2026 00:37:04Reported by GoogleType 
osv
 osv🔗 osv.dev👁 3 Views

Improper TLS hostname verification in Apache HttpComponents Client 5. CVE-2026-71290.

Related
Refs
ReporterTitlePublishedViews
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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
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IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities are addressed with IBM Process Mining Interim Fix for August 2026
31 Aug 202610:29
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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
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IBM Security Bulletins		Security Bulletin: Multiple Security Vulnerabilities in Apache HttpComponents Client affect IBM Content Navigator
28 Sep 202610:07
–ibm
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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
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IBM Security Bulletins		Security Bulletin: IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities
7 Sep 202607:04
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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
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IBM Security Bulletins		Security Bulletin: IBM Quantum Safe Explorer is affected by multiple vulnerabilities
31 Aug 202606:49
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IBM Security Bulletins		Security Bulletin: Vulnerabilities exists in IBM Netezza Software
7 Sep 202607:03
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attackerkb
attackerkb		CVE-2026-71290
11 Aug 202620:33
–attackerkb
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29 Sep 2026 01:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.8
EPSS0.00331
Apache HttpComponents Client 5Improper TLS hostname verificationCVE-2026-71290
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