CVE-2026-35412

Estado: AnalizadaAlta (8.1)—

Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.16.1, Directus' TUS resumable upload endpoint (/files/tus) allows any authenticated user with basic file upload permissions to overwrite arbitrary existing files by UUID. The TUS controller performs only collection-level authorization checks, verifying the user has some permission on directus_files, but never validates item-level access to the specific file being replaced. As a result, row-level permission rules (e.g., "users can only update their own files") are completely bypassed via the TUS path while being correctly enforced on the standard REST upload path. This vulnerability is fixed in 11.16.1.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Puntuación base: 8.1

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.39%
Percentil entre todas las CVEs puntuadas: 31
Fecha de la puntuación: 6/10/2026

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.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement85 %
Impacto principalT1565.002 Transmitted Data Manipulationimpact90 %
Impacto secundarioT1078.001 Default Accountsstealth · persistence · privilege escalation · initial access75 %

Usuario autenticado (PR:L) en red remota explotando bypass de autorización para sobrescribir archivos arbitrarios; impacto: manipulación de datos (integridad) y abuso de acceso legítimo.

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

Vulnerability Scanning Threat Intelligence Program Privileged Account Management Password Policies Network Segmentation Multi-factor Authentication

Tecnologías afectadas (1)

Monospace — Directus

CWE

CWE-863

Referencias

https://github.com/directus/directus/security/advisories/GHSA-qqmv-5p3g-px89

JSON original (NVD)

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      "value": "Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.16.1, Directus' TUS resumable upload endpoint (/files/tus) allows any authenticated user with basic file upload permissions to overwrite arbitrary existing files by UUID. The TUS controller performs only collection-level authorization checks, verifying the user has some permission on directus_files, but never validates item-level access to the specific file being replaced. As a result, row-level permission rules (e.g., \"users can only update their own files\") are completely bypassed via the TUS path while being correctly enforced on the standard REST upload path. This vulnerability is fixed in 11.16.1."
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      "value": "Directus es una API en tiempo real y un panel de control de aplicaciones para gestionar contenido de bases de datos SQL. Antes de la versión 11.16.1, el endpoint de carga reanudable TUS de Directus (/files/tus) permite a cualquier usuario autenticado con permisos básicos de carga de archivos sobrescribir archivos existentes arbitrarios por UUID. El controlador TUS realiza solo comprobaciones de autorización a nivel de colección, verificando que el usuario tiene algún permiso en directus_files, pero nunca valida el acceso a nivel de ítem al archivo específico que se está reemplazando. Como resultado, las reglas de permiso a nivel de fila (por ejemplo, 'los usuarios solo pueden actualizar sus propios archivos') son completamente eludidas a través de la ruta TUS mientras que se aplican correctamente en la ruta de carga REST estándar. Esta vulnerabilidad está corregida en la versión 11.16.1."
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  "lastModified": "2026-07-24T21:10:00.143",
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