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CVE-2026-11897 IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability with HTTP/2

🗓️ 30 Jul 2026 14:18:04Reported by ibmType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

IBM WebSphere Liberty 17.0.0.3–26.0.0.7 is vulnerable to memory exhaustion from crafted HTTP/2 requests.

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ibm
IBM Security Bulletins
Security Bulletin: IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability with HTTP/2 (CVE-2026-11897)
22 Jul 202619:42
ibm
ibm
IBM Security Bulletins
Security Bulletin: SPSS Collaboration and Deployment Services is affected by multiple vulnerabilities in IBM WebSphere Application Server Liberty
20 Aug 202618:28
ibm
ibm
IBM Security Bulletins
Security Bulletin: IBM SPSS Analytic Server is affected by multiple vulnerabilities in IBM WebSphere Application Server Liberty
20 Aug 202618:23
ibm
ibm
IBM Security Bulletins
Security Bulletin: IBM WebSphere Application Server Liberty, which is bundled with IBM WebSphere Hybrid Edition, is affected by a denial of service vulnerability with HTTP/2 (CVE-2026-11897)
4 Aug 202616:50
ibm
ibm
IBM Security Bulletins
Security Bulletin: IBM WebSphere Application Server Liberty, which is bundled with IBM Enterprise Application Runtimes, is affected by a denial of service vulnerability with HTTP/2 (CVE-2026-11897)
4 Aug 202616:50
ibm
ibm
IBM Security Bulletins
Security Bulletin: IBM Engineering Lifecycle Management products using WebSphere Application Server Liberty is affected by a denial of service vulnerability with HTTP/2 (CVE-2026-11897)
5 Aug 202606:35
ibm
ibm
IBM Security Bulletins
Security Bulletin: IBM WebSphere Application Server Liberty, which is bundled with IBM Cloud Pak for Applications, is affected by a denial of service vulnerability with HTTP/2 (CVE-2026-11897)
4 Aug 202619:40
ibm
ibm
IBM Security Bulletins
Security Bulletin: IBM i is Affected By Multiple Vulnerabilities in WebSphere Application Server Liberty
21 Aug 202620:06
ibm
attackerkb
ATTACKERKB
CVE-2026-11897
30 Jul 202614:18
attackerkb
cve
CVE
CVE-2026-11897
30 Jul 202614:18
cve
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[
  {
    "vendor": "IBM",
    "product": "WebSphere Application Server - Liberty",
    "versions": [
      {
        "status": "affected",
        "version": "17.0.0.3",
        "lessThanOrEqual": "26.0.0.7",
        "versionType": "semver"
      }
    ],
    "cpes": [
      "cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*",
      "cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.7:*:*:*:*:*:*:*"
    ]
  }
]

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