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CVE-2026-3621

🗓️ 24 Apr 2026 07:22:27Reported by redhat.comType 
redhatcve
 redhatcve🔗 access.redhat.com👁 5 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 InfoSphere Information Server is affected by multiple vulnerabilities in IBM WebSphere Application Server Liberty
26 Jun 202620:38
–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 Engineering Lifecycle Management products using WebSphere Application Server Liberty may be affected by identity spoofing (CVE-2026-3621)
2 Jul 202607:14
–ibm
IBM Security Bulletins		Security Bulletin: Due to the use of WebSphere Application Server Liberty, IBM Tivoli Application Dependency Discovery Manager is affected by multiple vulnerabilities
25 Jun 202610:03
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities within WebSphere Application Server Liberty, affect IBM Tivoli Monitoring.
30 Jun 202617:46
–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: SPSS Collaboration and Deployment Services is affected by multiple vulnerabilities in IBM WebSphere Application Server Liberty
26 Jun 202604:48
–ibm
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24 Apr 2026 07:22Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.15.9 - 7.5
EPSS0.00276
SSVC
identity spoofingwebsphere libertyauthentication not configuredauthorization not configured
5