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PT-2026-51351

🗓️ 22 Jun 2026 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity🔗 dbugs.ptsecurity.com👁 11 Views

Denial of service in WebSphere Application Server versions 9.0, 8.5 and Liberty 17.0.0.3 to 26.0.0.6

Related
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM WebSphere Application Server and WebSphere Application Server Liberty, which are bundled with IBM Cloud Pak for Applications, are affected by multiple vulnerabilities (CVE-2026-8646, CVE-2026-9320, CVE-2026-9071)
2 Jul 202623:58
–ibm
IBM Security Bulletins		Security Bulletin: IBM WebSphere Application Server shipped with Jazz for Service Management (JazzSM) is affected by multiple vulnerabilities
8 Jul 202613:06
–ibm
IBM Security Bulletins		Security Bulletin: Security vulnerabilities have been identified in IBM WebSphere Application Server shipped with IBM Buinses Automation Workflow (CVE-2026-8646, CVE-2026-9320, CVE-2026-9071)
29 Jun 202613:12
–ibm
IBM Security Bulletins		Security Bulletin: IBM WebSphere Application Server shipped with Jazz for Service Management (JazzSM) is affected by multiple vulnerabilities
18 Jun 202607:14
–ibm
IBM Security Bulletins		Security Bulletin: Multiple Security vulnerabilities have been identified in IBM WebSphere Application Server traditional, WebSphere Liberty profile, IBM HTTP Server its WebSphere plugins shipped with IBM Business Automation Workflow
18 Jun 202620:12
–ibm
IBM Security Bulletins		Security Bulletin: IBM WebSphere Application Server and WebSphere Application Server Liberty, which are bundled with IBM Enterprise Application Runtimes, are affected by multiple vulnerabilities (CVE-2026-8646, CVE-2026-9320, CVE-2026-9071)
3 Jul 202600:00
–ibm
IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities have been identified in IBM WebSphere Application Server and WebSphere Application Server Liberty shipped with IBM WebSphere Remote Server
23 Jun 202616:03
–ibm
IBM Security Bulletins		Security Bulletin: IBM WebSphere Application Server and WebSphere Application Server Liberty, which are bundled with IBM WebSphere Hybrid Edition, are affected by multiple vulnerabilities (CVE-2026-8646, CVE-2026-9320, CVE-2026-9071)
3 Jul 202600:03
–ibm
IBM Security Bulletins		Security Bulletin: IBM Tivoli Composite Application Manager for Application Diagnostics installed IBM WebSphere Application Server is affected by HTTP request smuggling and a denial of service.
6 Jul 202620:50
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities within WebSphere Application Server Liberty, affect IBM Tivoli Monitoring.
30 Jun 202617:46
–ibm
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23 Jun 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.9 - 7.5
EPSS0.00323
SSVC
WebSphere Application ServerLibertyDenial Of ServiceCrafted Requests
11