{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-118947", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-10-29T06:37:51.109Z", "datePublished": "2026-10-30T00:13:56.153Z", "dateUpdated": "2026-10-30T00:13:56.153Z"}, "containers": {"cna": {"title": "Keycloak-services: keycloak-services: authorization bypass via uma resource registration idor", "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": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in the UMA resource registration endpoint of the keycloak-services component, which provides the core logic for Keycloak's authorization and identity services. The issue occurs when remote resource management is enabled, allowing an authenticated user with specific permissions to update resources they do not own by providing a target resource ID in a request. This can lead to unauthorized modification of resource configurations, such as names, URIs, and scopes."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Build of Keycloak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "keycloak-services", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:build_keycloak:"]}, {"vendor": "Red Hat", "product": "Red Hat Build of Keycloak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhbk/keycloak-rhel9", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:build_keycloak:"]}, {"vendor": "Red Hat", "product": "Red Hat Single Sign-On 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "keycloak-services", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:red_hat_single_sign_on:7"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-118947", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2563274", "name": "RHBZ#2563274", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-10-28T20:58:24.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "description": "Authorization Bypass Through User-Controlled Key", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-639: Authorization Bypass Through User-Controlled Key", "timeline": [{"lang": "en", "time": "2026-10-28T20:58:24.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-10-28T20:58:24.000Z", "value": "Made public."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-10-30T00:13:56.153Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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{"bugzilla": {"description": "keycloak-services: keycloak-services: Authorization bypass via UMA resource registration IDOR", "id": "2563274", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2563274"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "status": "draft"}, "cwe": "CWE-639", "details": ["A flaw was found in the UMA resource registration endpoint of the keycloak-services component, which provides the core logic for Keycloak's authorization and identity services. The issue occurs when remote resource management is enabled, allowing an authenticated user with specific permissions to update resources they do not own by providing a target resource ID in a request. This can lead to unauthorized modification of resource configurations, such as names, URIs, and scopes."], "name": "CVE-2026-118947", "package_state": [{"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "keycloak-services", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "rhbk/keycloak-rhel9", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Not affected", "package_name": "keycloak-services", "product_name": "Red Hat Single Sign-On 7"}], "public_date": "2026-10-28T20:58:24Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-118947\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-118947"], "statement": "The Red Hat Product Security team has assessed the severity of this vulnerability as Moderate, given that exploitation requires the attacker to have valid credentials and the uma_protection role, as well as knowledge of the target resource ID. Successful exploitation allows an attacker to modify resource configurations they do not own. The vulnerability's root cause is a missing ownership check in the UMA resource registration code path when an existing resource ID is provided.", "threat_severity": "Moderate"}

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