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CVE-2026-96453

Red Hat build of Keycloak 26.4 · Vulnerability

CVSS 3.1 8.0 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 6 Nov 2026 19:02:40 UTC. Read the latest advisory.

cve-program · CVE-2026-96453

Published

A flaw was found in the Keycloak Admin CLI kcadm tool, which is used by administrators to manage Keycloak servers from the command line. When a custom truststore is provided to verify the server identity, the tool incorrectly accepts any self-signed certificate as long as the hostname matches. This allows a network attacker to impersonate the Keycloak server, steal administrative credentials, and perform unauthorized management actions.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-96453

Published

rhbk/keycloak-operator-bundle

https://catalog.redhat.com/software/containers/

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.4",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "rhbk/keycloak-operator-bundle",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "26.4.17-2",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.4::el9"
                    ]
                }

rhbk/keycloak-rhel9

https://catalog.redhat.com/software/containers/

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.4",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "rhbk/keycloak-rhel9",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "26.4-29",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.4::el9"
                    ]
                }

rhbk/keycloak-rhel9-operator

https://catalog.redhat.com/software/containers/

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.4",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "rhbk/keycloak-rhel9-operator",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "26.4-30",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.4::el9"
                    ]
                }

keycloak-admin-cli

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.4.17",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "defaultStatus": "unaffected",
                    "packageName": "keycloak-admin-cli",
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.4::el9"
                    ]
                }

rhbk/keycloak-rhel9

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.4.17",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "defaultStatus": "unaffected",
                    "packageName": "rhbk/keycloak-rhel9",
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.4::el9"
                    ]
                }

rhbk/keycloak-rhel9-operator

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.4.17",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "defaultStatus": "unaffected",
                    "packageName": "rhbk/keycloak-rhel9-operator",
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.4::el9"
                    ]
                }

rhbk/keycloak-operator-bundle

https://catalog.redhat.com/software/containers/

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.6",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "rhbk/keycloak-operator-bundle",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "26.6.8-2",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.6::el9"
                    ]
                }

rhbk/keycloak-rhel9

https://catalog.redhat.com/software/containers/

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.6",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "rhbk/keycloak-rhel9",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "26.6-24",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.6::el9"
                    ]
                }

rhbk/keycloak-rhel9-operator

https://catalog.redhat.com/software/containers/

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.6",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "rhbk/keycloak-rhel9-operator",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "26.6-24",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.6::el9"
                    ]
                }

keycloak-admin-cli

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.6.8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "defaultStatus": "unaffected",
                    "packageName": "keycloak-admin-cli",
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.6::el9"
                    ]
                }

rhbk/keycloak-rhel9

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.6.8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "defaultStatus": "unaffected",
                    "packageName": "rhbk/keycloak-rhel9",
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.6::el9"
                    ]
                }

rhbk/keycloak-rhel9-operator

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat build of Keycloak 26.6.8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "defaultStatus": "unaffected",
                    "packageName": "rhbk/keycloak-rhel9-operator",
                    "cpes": [
                        "cpe:/a:redhat:build_keycloak:26.6::el9"
                    ]
                }

keycloak-core

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat AMQ Broker 7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "keycloak-core",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:amq_broker:7"
                    ]
                }

keycloak-core

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Fuse 7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "keycloak-core",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:jboss_fuse:7"
                    ]
                }

jboss-eap-7/eap74-els-openjdk11-openshift-rhel8

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat JBoss Enterprise Application Platform 7",
                    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
                    "packageName": "jboss-eap-7/eap74-els-openjdk11-openshift-rhel8",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:jboss_enterprise_application_platform:7"
                    ]
                }

jboss-eap-7/eap74-els-openjdk17-openshift-rhel8

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat JBoss Enterprise Application Platform 7",
                    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
                    "packageName": "jboss-eap-7/eap74-els-openjdk17-openshift-rhel8",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:jboss_enterprise_application_platform:7"
                    ]
                }

jboss-eap-7/eap74-els-openjdk8-openshift-rhel8

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat JBoss Enterprise Application Platform 7",
                    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
                    "packageName": "jboss-eap-7/eap74-els-openjdk8-openshift-rhel8",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:jboss_enterprise_application_platform:7"
                    ]
                }

keycloak-core

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

Publisher's version information

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

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

keycloak-core

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

Publisher's version information

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

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

candlepin

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Satellite 6",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "candlepin",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:satellite:6"
                    ]
                }

keycloak-admin-cli

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Single Sign-On 7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "keycloak-admin-cli",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:red_hat_single_sign_on:7"
                    ]
                }

keycloak-core

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Single Sign-On 7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "keycloak-core",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:red_hat_single_sign_on:7"
                    ]
                }

rh-sso7-keycloak

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

Publisher's version information

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

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Single Sign-On 7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "rh-sso7-keycloak",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:red_hat_single_sign_on:7"
                    ]
                }

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

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

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