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CVE-2026-3621

🗓️ 24 Apr 2026 07:22:27Reported by redhat.comType 
redhatcve
 redhatcve🔗 access.redhat.com👁 1 Views

IBM WebSphere Liberty is vulnerable to identity spoofing when deployed without authentication and authorization.

Related
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: An Improper Privilege Management vulnerability may affect IBM WebSphere Liberty that is shipped with IBM CICS TX Advanced (CVE-2026-3621).
11 Jun 202621:25
–ibm
IBM Security Bulletins		Security Bulletin: IBM WebSphere Application Server Liberty is affected by identity spoofing (CVE-2026-3621)
22 Apr 202619:15
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite uses WebSphere Application Server Liberty which is vulnerable to CVE-2026-3621.
3 Jun 202614:54
–ibm
IBM Security Bulletins		Security Bulletin: An Improper Privilege Management vulnerability may affect IBM WebSphere Liberty that is shipped with TXSeries for Multiplatforms (CVE-2026-3621).
11 Jun 202621:27
–ibm
IBM Security Bulletins		Security Bulletin: IBM WebSphere Application Server Liberty, which is bundled with IBM Cloud Pak for Applications, is affected by an identity spoofing vulnerability (CVE-2026-3621)
27 Apr 202615:12
–ibm
IBM Security Bulletins		Security Bulletin: IBM SPSS Analytic Server is affected by multiple vulnerabilities in IBM WebSphere Application Server Liberty
21 May 202615:50
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Monitor Component uses WebSphere Application Server Liberty which was affected by identity spoofing which is vulnerable to CVE-2026-3621
29 May 202606:46
–ibm
IBM Security Bulletins		Security Bulletin: IBM WebSphere Application Server Liberty, which is bundled with IBM Enterprise Application Runtimes, is affected by an identity spoofing vulnerability (CVE-2026-3621)
27 Apr 202615:11
–ibm
IBM Security Bulletins		Security Bulletin: IBM WebSphere Application Server Liberty, which is bundled with IBM WebSphere Hybrid Edition, is affected by an identity spoofing vulnerability (CVE-2026-3621)
27 Apr 202615:09
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Predict Component uses WebSphere Application Server Liberty was affected by identity spoofing (CVE-2026-3621)
29 May 202609:07
–ibm
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24 Apr 2026 07:22Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.15.9 - 7.5
EPSS0.00045
SSVC
identity spoofingwebsphere libertyauthentication not configuredauthorization not configured
1