{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Adserver", "vendor": "Revive", "versions": [{"lessThanOrEqual": "6.0.6", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "support@hackerone.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A missing access control check when invoking various modify methods in the XML\u2011RPC API of Revive Adserver 6.0.6 and earlier. The API allowed entities to be reassigned to different parent entities, leading to inconsistent ownership relationships. This issue was exploitable only in combination with CVE\u20112026\u201134917 or with third\u2011party API extensions that expose API functionality to low\u2011privileged users. Access control checks have been added to validate access to parent entities in the API modify methods."}, {"lang": "es", "value": "Una comprobaci\u00f3n de control de acceso faltante al invocar varios m\u00e9todos de modificaci\u00f3n en la API XML-RPC de Revive Adserver 6.0.6 y versiones anteriores. La API permit\u00eda que las entidades fueran reasignadas a diferentes entidades padre, lo que llevaba a relaciones de propiedad inconsistentes. Este problema era explotable solo en combinaci\u00f3n con CVE-2026-34917 o con extensiones de API de terceros que exponen la funcionalidad de la API a usuarios con pocos privilegios. Se han a\u00f1adido comprobaciones de control de acceso para validar el acceso a las entidades padre en los m\u00e9todos de modificaci\u00f3n de la API."}], "id": "CVE-2026-44957", "lastModified": "2026-10-26T11:10:00.157", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "support@hackerone.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-44957", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-23T17:40:32.867951Z", "version": "2.0.3"}}]}, "published": "2026-06-23T17:16:59.900", "references": [{"source": "support@hackerone.com", "url": "https://hackerone.com/reports/3677576"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "support@hackerone.com", "type": "Secondary"}]}