CVE-2026-72534

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{"affected": [{"affectedData": [{"product": "authentik", "vendor": "Authentik Security", "versions": [{"lessThanOrEqual": "2026.5.6", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A privilege escalation vulnerability in Authentik Security authentik through 2026.5.6 allows an attacker with a source-scoped SCIM provisioning token to gain superuser privileges by provisioning a SCIM group that matches an existing administrator group by name. The SCIM group ingest function adopts any existing group by name and replaces its membership without validating the source scope against the target group. An attacker can grant their provisioning token full IdP superuser access and lock out all existing administrators."}, {"lang": "es", "value": "Una vulnerabilidad de escalada de privilegios en Authentik Security authentik hasta 2026.5.6 permite a un atacante con un token de aprovisionamiento SCIM con \u00e1mbito de origen obtener privilegios de superusuario al aprovisionar un grupo SCIM que coincide con un grupo de administradores existente por nombre. La funci\u00f3n de ingesta de grupos SCIM adopta cualquier grupo existente por nombre y reemplaza su membres\u00eda sin validar el \u00e1mbito de origen contra el grupo de destino. Un atacante puede otorgar a su token de aprovisionamiento acceso completo de superusuario de IdP y bloquear a todos los administradores existentes."}], "id": "CVE-2026-72534", "lastModified": "2026-10-24T15:10:00.190", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-72534", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-11T15:06:52.367762Z", "version": "2.0.3"}}]}, "published": "2026-08-11T12:17:38.610", "references": [{"source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "url": "https://github.com/goauthentik/authentik"}], "sourceIdentifier": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2026.5.6]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "authentik", "source": "cna", "vendor": "Authentik Security"}, "product": "authentik", "vendor": "authentik_security"}], "created": "2026-08-11T17:15:06.755937+00:00", "updated": "2026-08-13T09:54:51.857599+00:00", "vendors": ["authentik_security", "authentik_security$PRODUCT$authentik"]}