{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-9792", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-05-28T03:09:25.012Z", "datePublished": "2026-05-28T03:44:18.671Z", "dateUpdated": "2026-06-26T06:46:34.782Z" }, "containers": { "cna": { "title": "Keycloak: keycloak: security restriction bypass allows unauthorized ropc token acquisition", "metrics": [ { "other": { "content": { "value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1" }, "format": "CVSS" } ], "descriptions": [ { "lang": "en", "value": "A flaw was found in Keycloak's Client Policies, specifically within the `org.keycloak.protocol.oidc` component. When certain condition providers (client-type, client-roles, client-attributes, client-scopes) are used to enforce security restrictions, the `reject-ropc-grant` executor is silently bypassed. This allows an unauthenticated remote attacker to obtain tokens via a Resource Owner Password Credentials (ROPC) grant, even when a policy is explicitly configured to block it. This bypass can lead to unauthorized access and information disclosure." } ], "affected": [ { "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": "26.4.13-1", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:build_keycloak:26.4::el9" ] }, { "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": "26.4-19", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:build_keycloak:26.4::el9" ] }, { "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": "26.4-19", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:build_keycloak:26.4::el9" ] }, { "vendor": "Red Hat", "product": "Red Hat build of Keycloak 26.4.13", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected", "packageName": "rhbk/keycloak-rhel9", "cpes": [ "cpe:/a:redhat:build_keycloak:26.4::el9" ] }, { "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": "26.6.3-3", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:build_keycloak:26.6::el9" ] }, { "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": "26.6-6", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:build_keycloak:26.6::el9" ] }, { "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": "26.6-6", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:build_keycloak:26.6::el9" ] }, { "vendor": "Red Hat", "product": "Red Hat build of Keycloak 26.6.3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected", "packageName": "rhbk/keycloak-rhel9", "cpes": [ "cpe:/a:redhat:build_keycloak:26.6::el9" ] } ], "references": [ { "url": "https://access.redhat.com/errata/RHSA-2026:25097", "name": "RHSA-2026:25097", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:25098", "name": "RHSA-2026:25098", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:30049", "name": "RHSA-2026:30049", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:30050", "name": "RHSA-2026:30050", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/security/cve/CVE-2026-9792", "tags": [ "vdb-entry", "x_refsource_REDHAT" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482459", "name": "RHBZ#2482459", "tags": [ "issue-tracking", "x_refsource_REDHAT" ] } ], "datePublic": "2026-05-28T03:10:21.828Z", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-280", "description": "Improper Handling of Insufficient Permissions or Privileges", "lang": "en", "type": "CWE" } ] } ], "x_redhatCweChain": "CWE-280: Improper Handling of Insufficient Permissions or Privileges", "workarounds": [ { "lang": "en", "value": "To mitigate this issue, Keycloak administrators should review and adjust client policies designed to reject Resource Owner Password Credentials (ROPC) grants. Avoid using the `client-type`, `client-roles`, `client-attributes`, or `client-scopes` condition providers in conjunction with the `reject-ropc-grant` executor. Instead, configure policies to use the `grant-type` condition provider for ROPC rejection. A restart or reload of the Keycloak service may be required for these policy changes to take full effect." } ], "timeline": [ { "lang": "en", "time": "2026-05-28T03:09:09.710Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-05-28T03:10:21.828Z", "value": "Made public." } ], "credits": [ { "lang": "en", "value": "Red Hat would like to thank Evan Hendra (Independent Security Researcher) for reporting this issue." } ], "providerMetadata": { "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-06-26T06:46:34.782Z" }, "x_generator": { "engine": "cvelib 1.8.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-29T18:32:16.047044Z", "id": "CVE-2026-9792", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-29T18:32:37.326Z" } } ] } }