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CVE-2026-24009

Estado: AnalizadaCrítica (9.8)—

Docling Core (or docling-core) is a library that defines core data types and transformations in the document processing application Docling. A PyYAML-related Remote Code Execution (RCE) vulnerability, namely CVE-2020-14343, is exposed in docling-core starting in version 2.21.0 and prior to version 2.48.4, specifically only if the application uses pyyaml prior to version 5.4 and invokes `docling_core.types.doc.DoclingDocument.load_from_yaml()` passing it untrusted YAML data. The vulnerability has been patched in docling-core version 2.48.4.

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The fix mitigates the issue by switching `PyYAML` deserialization from `yaml.FullLoader` to `yaml.SafeLoader`, ensuring that untrusted data cannot trigger code execution. Users who cannot immediately upgrade docling-core can alternatively ensure that the installed version of PyYAML is 5.4 or greater.

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.

RCE en servicio remoto sin autenticación (AV:N, PR:N, UI:N) mediante deserialización insegura de YAML. Ejecución de código arbitrario confirmada en descripción.

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

Tecnologías afectadas (1)

CWE

Referencias

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      "value": "Docling Core (or docling-core) is a library that defines core data types and transformations in the document processing application Docling. A PyYAML-related Remote Code Execution (RCE) vulnerability, namely CVE-2020-14343, is exposed in docling-core starting in version 2.21.0 and prior to version 2.48.4, specifically only if the application uses pyyaml prior to version 5.4 and invokes `docling_core.types.doc.DoclingDocument.load_from_yaml()` passing it untrusted YAML data. The vulnerability has been patched in docling-core version 2.48.4. The fix mitigates the issue by switching `PyYAML` deserialization from `yaml.FullLoader` to `yaml.SafeLoader`, ensuring that untrusted data cannot trigger code execution. Users who cannot immediately upgrade docling-core can alternatively ensure that the installed version of PyYAML is 5.4 or greater."
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      "value": "Docling Core (o docling-core) es una librería que define tipos de datos centrales y transformaciones en la aplicación de procesamiento de documentos Docling. Una vulnerabilidad de ejecución remota de código (RCE) relacionada con PyYAML, concretamente CVE-2020-14343, se expone en docling-core a partir de la versión 2.21.0 y anterior a la versión 2.48.4, específicamente solo si la aplicación utiliza pyyaml anterior a la versión 5.4 e invoca 'docling_core.types.doc.DoclingDocument.load_from_yaml()' pasándole datos YAML no confiables. La vulnerabilidad ha sido parcheada en docling-core versión 2.48.4. La solución mitiga el problema al cambiar la deserialización de 'PyYAML' de 'yaml.FullLoader' a 'yaml.SafeLoader', asegurando que los datos no confiables no puedan desencadenar la ejecución de código. Los usuarios que no puedan actualizar docling-core inmediatamente pueden, alternativamente, asegurarse de que la versión instalada de PyYAML sea 5.4 o superior."
    }
  ],
  "lastModified": "2026-06-17T10:22:28.303",
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