FKIE_CVE-2026-9795
Vulnerability from fkie_nvd - Published: 2026-05-28 05:16 - Updated: 2026-10-26 12:10
Severity
7.3 (High) - CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N
7.3 (High) - CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N
7.3 (High) - CVSS:3.1/
Summary
A flaw was found in Keycloak's Fine-Grained Admin Permissions (FGAPv2) feature. An administrator with limited client management permissions can exploit this vulnerability to assign any realm role, including highly privileged roles, to a client's scope mapping. This bypasses intended security controls, allowing the injected role to be projected into a user's authentication token when they access the modified client. This could lead to unauthorized privilege escalation within the Keycloak realm.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| redhat | build_of_keycloak | - |
{
"affected": [
{
"affectedData": [
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"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:build_keycloak:26.4::el9"
],
"defaultStatus": "affected",
"packageName": "rhbk/keycloak-operator-bundle",
"product": "Red Hat build of Keycloak 26.4",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "26.4.13-1",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
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],
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"packageName": "rhbk/keycloak-rhel9",
"product": "Red Hat build of Keycloak 26.4",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "26.4-19",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:build_keycloak:26.4::el9"
],
"defaultStatus": "affected",
"packageName": "rhbk/keycloak-rhel9-operator",
"product": "Red Hat build of Keycloak 26.4",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "26.4-19",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
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],
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"packageName": "rhbk/keycloak-rhel9",
"product": "Red Hat build of Keycloak 26.4.13",
"vendor": "Red Hat"
},
{
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"cpes": [
"cpe:/a:redhat:build_keycloak:26.6::el9"
],
"defaultStatus": "affected",
"packageName": "rhbk/keycloak-operator-bundle",
"product": "Red Hat build of Keycloak 26.6",
"vendor": "Red Hat",
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{
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"status": "unaffected",
"version": "26.6.4-2",
"versionType": "rpm"
}
]
},
{
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"version": "26.6-8",
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],
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"packageName": "rhbk/keycloak-rhel9-operator",
"product": "Red Hat build of Keycloak 26.6",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "26.6-8",
"versionType": "rpm"
}
]
},
{
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"cpes": [
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],
"defaultStatus": "unaffected",
"packageName": "rhbk/keycloak-rhel9",
"product": "Red Hat build of Keycloak 26.6.4",
"vendor": "Red Hat"
}
],
"source": "secalert@redhat.com"
},
{
"affectedData": [
{
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],
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"packageName": "rhbk/keycloak-operator-bundle",
"product": "Red Hat build of Keycloak 26.4",
"vendor": "Red Hat",
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{
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"status": "unaffected",
"version": "26.4.13-1",
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}
]
},
{
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"cpes": [
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],
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"packageName": "rhbk/keycloak-rhel9",
"product": "Red Hat build of Keycloak 26.4",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "26.4-19",
"versionType": "rpm"
}
]
},
{
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"cpes": [
"cpe:/a:redhat:build_keycloak:26.4::el9"
],
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"packageName": "rhbk/keycloak-rhel9-operator",
"product": "Red Hat build of Keycloak 26.4",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "26.4-19",
"versionType": "rpm"
}
]
},
{
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"cpes": [
"cpe:/a:redhat:build_keycloak:26.4::el9"
],
"defaultStatus": "unaffected",
"packageName": "rhbk/keycloak-rhel9",
"product": "Red Hat build of Keycloak 26.4.13",
"vendor": "Red Hat"
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:build_keycloak:26.6::el9"
],
"defaultStatus": "affected",
"packageName": "rhbk/keycloak-operator-bundle",
"product": "Red Hat build of Keycloak 26.6",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "26.6.4-2",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
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],
"defaultStatus": "affected",
"packageName": "rhbk/keycloak-rhel9",
"product": "Red Hat build of Keycloak 26.6",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "26.6-8",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://catalog.redhat.com/software/containers/",
"cpes": [
"cpe:/a:redhat:build_keycloak:26.6::el9"
],
"defaultStatus": "affected",
"packageName": "rhbk/keycloak-rhel9-operator",
"product": "Red Hat build of Keycloak 26.6",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "26.6-8",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
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],
"defaultStatus": "unaffected",
"packageName": "rhbk/keycloak-rhel9",
"product": "Red Hat build of Keycloak 26.6.4",
"vendor": "Red Hat"
}
],
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:build_of_keycloak:-:*:*:*:-:*:*:*",
"matchCriteriaId": "E5C930CB-4EAD-497B-A44B-D880F2A1F85B",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in Keycloak\u0027s Fine-Grained Admin Permissions (FGAPv2) feature. An administrator with limited client management permissions can exploit this vulnerability to assign any realm role, including highly privileged roles, to a client\u0027s scope mapping. This bypasses intended security controls, allowing the injected role to be projected into a user\u0027s authentication token when they access the modified client. This could lead to unauthorized privilege escalation within the Keycloak realm."
},
{
"lang": "es",
"value": "Se encontr\u00f3 una falla en la caracter\u00edstica de Permisos de Administraci\u00f3n Granulares (FGAPv2) de Keycloak. Un administrador con permisos limitados de gesti\u00f3n de clientes puede explotar esta vulnerabilidad para asignar cualquier rol de realm, incluyendo roles altamente privilegiados, al mapeo de alcance de un cliente. Esto elude los controles de seguridad previstos, permitiendo que el rol inyectado se proyecte en el token de autenticaci\u00f3n de un usuario cuando acceden al cliente modificado. Esto podr\u00eda conducir a una escalada de privilegios no autorizada dentro del realm de Keycloak."
}
],
"id": "CVE-2026-9795",
"lastModified": "2026-10-26T12:10:00.130",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.0,
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"source": "secalert@redhat.com",
"type": "Secondary"
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"options": [
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{
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{
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],
"role": "CISA Coordinator",
"timestamp": "2026-05-28T13:12:16.430735Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-05-28T05:16:41.003",
"references": [
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],
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"vulnStatus": "Modified",
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}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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