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PT-2026-34580

🗓️ 22 Apr 2026 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity🔗 dbugs.ptsecurity.com👁 5 Views

Liberty 17.0.0.3 to 26.0.0.4 are 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: 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: 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
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
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13 May 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.9 - 7.5
EPSS0.00276
SSVC
liberty serveridentity spoofingmissing authenticationmissing authorization
5