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CVE-2026-25497

Estado: AnalizadaAlta (8.6)—

Craft is a platform for creating digital experiences. In Craft versions from 4.0.0-RC1 to before 4.17.0-beta.1 and 5.9.0-beta.1, there is a Privilege Escalation vulnerability in Craft CMS’s GraphQL API that allows an authenticated user with write access to one asset volume to escalate their privileges and modify/transfer assets belonging to any other volume, including restricted or private volumes to which they should not have access. The saveAsset GraphQL mutation validates authorization against the schema-resolved volume but fetches the target asset by ID without verifying that the asset belongs to the authorized volume. This allows unauthorized cross-volume asset modification and transfer. This vulnerability is fixed in 4.17.0-beta.1 and 5.9.0-beta.1.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Autenticado en GraphQL remoto (PR:L, AV:N) escalando privilegios mediante validación débil de volúmenes de activos. Modifica/transfiere datos no autorizados entre volúmenes restringidos.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Encrypt Sensitive InformationApplication Developer GuidanceVulnerability ScanningThreat Intelligence ProgramRestrict Web-Based ContentRestrict File and Directory Permissions

Tecnologías afectadas (1)

Craftcms — Craft CMS

CWE

Referencias

JSON original (NVD)

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      "value": "Craft is a platform for creating digital experiences. In Craft versions from 4.0.0-RC1 to before 4.17.0-beta.1 and 5.9.0-beta.1, there is a Privilege Escalation vulnerability in Craft CMS’s GraphQL API that allows an authenticated user with write access to one asset volume to escalate their privileges and modify/transfer assets belonging to any other volume, including restricted or private volumes to which they should not have access. The saveAsset GraphQL mutation validates authorization against the schema-resolved volume but fetches the target asset by ID without verifying that the asset belongs to the authorized volume. This allows unauthorized cross-volume asset modification and transfer. This vulnerability is fixed in 4.17.0-beta.1 and 5.9.0-beta.1."
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      "value": "Craft es una plataforma para crear experiencias digitales. En las versiones de Craft desde la 4.0.0-RC1 hasta antes de la 4.17.0-beta.1 y la 5.9.0-beta.1, existe una vulnerabilidad de escalada de privilegios en la API GraphQL de Craft CMS que permite a un usuario autenticado con acceso de escritura a un volumen de activos escalar sus privilegios y modificar/transferir activos pertenecientes a cualquier otro volumen, incluidos volúmenes restringidos o privados a los que no deberían tener acceso. La mutación GraphQL saveAsset valida la autorización contra el volumen resuelto por el esquema, pero recupera el activo objetivo por ID sin verificar que el activo pertenezca al volumen autorizado. Esto permite la modificación y transferencia no autorizada de activos entre volúmenes. Esta vulnerabilidad está corregida en las versiones 4.17.0-beta.1 y 5.9.0-beta.1."
    }
  ],
  "lastModified": "2026-06-17T10:24:44.487",
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