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CVE-2026-27629

Estado: AnalizadaAlta (8.8)—

InvenTree is an Open Source Inventory Management System. Prior to version 1.2.3, insecure server-side templates can be hijacked to expose secure information to the client. When generating custom batch codes, the InvenTree server makes use of a customizable jinja2 template, which can be modified by a staff user to exfiltrate sensitive information or perform code execution on the server. This issue requires access by a user with granted staff permissions, followed by a request to generate a custom batch code via the API.

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Once the template has been modified in a malicious manner, the API call to generate a new batch code could be made by other users, and the template code will be executed with their user context. The code has been patched to ensure that all template generation is performed within a secure sandboxed context. This issue has been addressed in version 1.2.3, and any versions from 1.3.0 onwards. Some workarounds are available. The batch code template is a configurable global setting which can be adjusted via any user with staff access. To prevent this setting from being edited, it can be overridden at a system level to a default value, preventing it from being edited. This requires system administrator access, and cannot be changed from the client side once the server is running. It is recommended that for InvenTree installations prior to 1.2.3 the `STOCK_BATCH_CODE_TEMPLATE` and `PART_NAME_FORMAT` global settings are overridden at the system level to prevent editing.

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.

UI:R (requiere interacción: generar batch code) indica T1203. Plantilla Jinja2 maliciosa ejecuta código en servidor (T1059); exfiltración de información sensible (T1005). Requiere staff previo.

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 Web-Based ContentPrivileged Account ManagementLimit Software InstallationExecution PreventionBehavior Prevention on EndpointDisable or Remove Feature or Program

Tecnologías afectadas (1)

Inventree Project — Inventree

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2026-27629",
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      "lang": "en",
      "value": "InvenTree is an Open Source Inventory Management System. Prior to version 1.2.3, insecure server-side templates can be hijacked to expose secure information to the client. When generating custom batch codes, the InvenTree server makes use of a customizable jinja2 template, which can be modified by a staff user to exfiltrate sensitive information or perform code execution on the server. This issue requires access by a user with granted staff permissions, followed by a request to generate a custom batch code via the API. Once the template has been modified in a malicious manner, the API call to generate a new batch code could be made by other users, and the template code will be executed with their user context. The code has been patched to ensure that all template generation is performed within a secure sandboxed context. This issue has been addressed in version 1.2.3, and any versions from 1.3.0 onwards. Some workarounds are available. The batch code template is a configurable global setting which can be adjusted via any user with staff access. To prevent this setting from being edited, it can be overridden at a system level to a default value, preventing it from being edited. This requires system administrator access, and cannot be changed from the client side once the server is running. It is recommended that for InvenTree installations prior to 1.2.3 the `STOCK_BATCH_CODE_TEMPLATE` and `PART_NAME_FORMAT` global settings are overridden at the system level to prevent editing."
    },
    {
      "lang": "es",
      "value": "InvenTree es un Sistema de Gestión de Inventario de Código Abierto. Antes de la versión 1.2.3, las plantillas inseguras del lado del servidor pueden ser secuestradas para exponer información segura al cliente. Al generar códigos de lote personalizados, el servidor InvenTree utiliza una plantilla jinja2 personalizable, que puede ser modificada por un usuario del personal para exfiltrar información sensible o realizar ejecución de código en el servidor. Este problema requiere acceso por parte de un usuario con permisos de personal concedidos, seguido de una solicitud para generar un código de lote personalizado a través de la API. Una vez que la plantilla ha sido modificada de manera maliciosa, otros usuarios podrían llamar a la API para generar un nuevo código de lote, y el código de la plantilla se ejecutará con su contexto de usuario. El código ha sido parcheado para asegurar que toda la generación de plantillas se realice dentro de un contexto seguro en un entorno aislado. Este problema ha sido abordado en la versión 1.2.3, y en cualquier versión a partir de la 1.3.0. Hay disponibles algunas soluciones alternativas. La plantilla de código de lote es una configuración global configurable que puede ser ajustada por cualquier usuario con acceso de personal. Para evitar que esta configuración sea editada, puede ser anulada a nivel de sistema a un valor predeterminado, evitando que sea editada. Esto requiere acceso de administrador de sistema, y no puede ser cambiado desde el lado del cliente una vez que el servidor está en funcionamiento. Se recomienda que para las instalaciones de InvenTree anteriores a la 1.2.3, se anulen las configuraciones globales 'STOCK_BATCH_CODE_TEMPLATE' y 'PART_NAME_FORMAT' a nivel de sistema para evitar su edición."
    }
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  "lastModified": "2026-06-17T10:27:25.167",
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