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CVE-2026-33154

Estado: AnalizadaAlta (8.1)—

dynaconf is a configuration management tool for Python. Prior to version 3.2.13, Dynaconf is vulnerable to Server-Side Template Injection (SSTI) due to unsafe template evaluation in the @Jinja resolver. When the jinja2 package is installed, Dynaconf evaluates template expressions embedded in configuration values without a sandboxed environment. This issue has been patched in version 3.2.13.

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.

SSTI en Dynaconf con AV:N, PR:N permite inyectar plantillas Jinja2 para ejecutar código Python (T1059) y acceder a datos de configuración (T1005). Vector CVSS AV:N/AC:H/PR:N sin UI:R indica T1190.

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

JSON original (NVD)

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  "id": "CVE-2026-33154",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "poc"
            },
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              "automatable": "no"
            },
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          "version": "2.0.3",
          "timestamp": "2026-03-27T15:23:07.114538Z"
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      "lang": "en",
      "value": "dynaconf is a configuration management tool for Python. Prior to version 3.2.13, Dynaconf is vulnerable to Server-Side Template Injection (SSTI) due to unsafe template evaluation in the @Jinja resolver. When the jinja2 package is installed, Dynaconf evaluates template expressions embedded in configuration values without a sandboxed environment. This issue has been patched in version 3.2.13."
    },
    {
      "lang": "es",
      "value": "dynaconf es una herramienta de gestión de configuración para Python. Antes de la versión 3.2.13, Dynaconf es vulnerable a la Inyección de Plantilla del Lado del Servidor (SSTI) debido a la evaluación insegura de plantillas en el resolvedor @Jinja. Cuando el paquete jinja2 está instalado, Dynaconf evalúa expresiones de plantilla incrustadas en valores de configuración sin un entorno aislado. Este problema ha sido parcheado en la versión 3.2.13."
    }
  ],
  "lastModified": "2026-06-17T10:37:02.443",
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        {
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