CVE-2026-42306

Estado: AnalizadaAlta (7.2)—

Moby is an open source container framework. In Docker Engine prior to version 29.5.1, Docker Daemon versions 28.5.2 and prior, and Moby Daemon prior to version 2.0.0-beta.14, a race condition during docker cp mount setup allows a malicious container to redirect a bind mount target to an arbitrary host path, potentially overwriting host files or causing denial of service. This issue has been patched in Docker Engine version 29.5.1 and Moby Daemon version 2.0.0-beta.14.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:H
Puntuación base: 7.2

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.10%
Percentil entre todas las CVEs puntuadas: 1
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.

ExplotaciónT1203 Exploitation for Client Executionexecution85 %
Impacto principalT1565.001 Stored Data Manipulationimpact75 %
Impacto secundarioT1499.004 Application or System Exploitationimpact70 %

Requiere interacción del usuario (UI:R) para ejecutar docker cp con contenedor malicioso. Impactos: manipulación de archivos del host (sobrescritura) e interrupciones de servicio (DoS) por redireccionamiento de mount.

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

Restrict File and Directory Permissions Remote Data Storage Filter Network Traffic Encrypt Sensitive Information Application Isolation and Sandboxing Exploit Protection

Tecnologías afectadas (3)

Docker — Engine Mobyproject — Moby Mobyproject — Moby/v2

CWE

CWE-61, CWE-367

Referencias

https://github.com/moby/moby/security/advisories/GHSA-rg2x-37c3-w2rh

JSON original (NVD)

Mostrar

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