CVE-2026-15328

WebSphere Application Server · Vulnerability

CVSS 3.1 7.4 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-15328

Published

IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP request smuggling.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-15328

Published

WebSphere Application Server

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "IBM",
                    "product": "WebSphere Application Server",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "9.0"
                        },
                        {
                            "status": "affected",
                            "version": "8.5"
                        }
                    ],
                    "defaultStatus": "unaffected",
                    "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:*:*:*:*:*:*:*"
                    ]
                }

WebSphere Application Server - Liberty

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "IBM",
                    "product": "WebSphere Application Server - Liberty",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "17.0.0.3",
                            "lessThanOrEqual": "26.0.0.7",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected",
                    "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:*:*:*:*:*:*:*"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON