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CVE-2026-15328 IBM WebSphere Application Server and WebSphere Application Server Liberty is inconsistent Interpretation of HTTP Requests

🗓️ 28 Jul 2026 20:04:41Reported by ibmType 
cvelist
 cvelist
🔗 www.cve.org👁 42 Views

CVE-2026-15328: WebSphere Server and Liberty versions 9.0, 8.5, and 17.0.0.3–26.0.0.7 are vulnerable to HTTP request smuggling.

Related
Affected
Refs
[
  {
    "vendor": "IBM",
    "product": "WebSphere Application Server",
    "versions": [
      {
        "status": "affected",
        "version": "9.0"
      },
      {
        "status": "affected",
        "version": "8.5"
      }
    ],
    "cpes": [
      "cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*",
      "cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*",
      "cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*",
      "cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*"
    ]
  },
  {
    "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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28 Jul 2026 20:06Current
CVSS 3.17.4
EPSS0.0023
42