CVE-2026-0976Published

Org.keycloak/keycloak-quarkus-server: keycloak: proxy bypass due to improper handling of matrix parameters in url paths

cve-program · CVE-2026-0976

Published

Red Hat build of Keycloak 26.4.9

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.4.9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.4::el9"
                    ]
                }

keycloak-quarkus-server

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Build of Keycloak",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "keycloak-quarkus-server",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:"
                    ]
                }

keycloak-quarkus-server

https://access.redhat.com/jbossnetwork/restricted/listSoftware.html

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Red Hat",
                    "product": "Red Hat JBoss Enterprise Application Platform 8",
                    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
                    "packageName": "keycloak-quarkus-server",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:jboss_enterprise_application_platform:8"
                    ]
                }

keycloak-quarkus-server-app

https://access.redhat.com/jbossnetwork/restricted/listSoftware.html

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Red Hat",
                    "product": "Red Hat JBoss Enterprise Application Platform 8",
                    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
                    "packageName": "keycloak-quarkus-server-app",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:jboss_enterprise_application_platform:8"
                    ]
                }

keycloak-quarkus-server-deployment

https://access.redhat.com/jbossnetwork/restricted/listSoftware.html

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Red Hat",
                    "product": "Red Hat JBoss Enterprise Application Platform 8",
                    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
                    "packageName": "keycloak-quarkus-server-deployment",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:jboss_enterprise_application_platform:8"
                    ]
                }

keycloak-quarkus-server

https://access.redhat.com/jbossnetwork/restricted/listSoftware.html

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Red Hat",
                    "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
                    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
                    "packageName": "keycloak-quarkus-server",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:jbosseapxp"
                    ]
                }

keycloak-quarkus-server-app

https://access.redhat.com/jbossnetwork/restricted/listSoftware.html

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Red Hat",
                    "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
                    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
                    "packageName": "keycloak-quarkus-server-app",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:jbosseapxp"
                    ]
                }

keycloak-quarkus-server-deployment

https://access.redhat.com/jbossnetwork/restricted/listSoftware.html

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Red Hat",
                    "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
                    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
                    "packageName": "keycloak-quarkus-server-deployment",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:jbosseapxp"
                    ]
                }

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