CVE-2022-39261

Estado: ModificadaAlta (7.5)—
Twig is a template language for PHP. Versions 1.x prior to 1.44.7, 2.x prior to 2.15.3, and 3.x prior to 3.4.3 encounter an issue when the filesystem loader loads templates for which the name is a user input. It is possible to use the `source` or `include` statement to read arbitrary files from outside the templates' directory when using a namespace like `@somewhere/../some.file`. In such a case, validation is bypassed. Versions 1.44.7, 2.15.3, and 3.4.3 contain a fix for validation of such template names. There are no known workarounds aside from upgrading.
CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Puntuación base: 7.5
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 3.15%
Percentil entre todas las CVEs puntuadas: 88
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).
Tecnologías afectadas (4)

Debian — Debian Linux Drupal — Drupal Fedoraproject — Fedora Symfony — Twig
CWE

CWE-22
CWE-22
Referencias

JSON original (NVD)

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          "timestamp": "2025-04-23T15:50:56.522548Z"
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          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
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          "value": "CWE-22"
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      "description": [
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          "value": "CWE-22"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Twig is a template language for PHP. Versions 1.x prior to 1.44.7, 2.x prior to 2.15.3, and 3.x prior to 3.4.3 encounter an issue when the filesystem loader loads templates for which the name is a user input. It is possible to use the `source` or `include` statement to read arbitrary files from outside the templates' directory when using a namespace like `@somewhere/../some.file`. In such a case, validation is bypassed. Versions 1.44.7, 2.15.3, and 3.4.3 contain a fix for validation of such template names. There are no known workarounds aside from upgrading."
    },
    {
      "lang": "es",
      "value": "Twig es un lenguaje de plantillas para PHP. Las versiones 1.x anteriores a 1.44.7, 2.x anteriores a 2.15.3 y 3.x anteriores a 3.4.3 encuentran un problema cuando el cargador del sistema de archivos carga plantillas cuyo nombre es una entrada del usuario. Es posible usar la sentencia \"source\" o \"include\" para leer archivos arbitrarios desde fuera del directorio de las plantillas cuando es usado un espacio de nombres como \"@somewhere/../some.file\". En este caso, la comprobación es omitida. Las versiones 1.44.7, 2.15.3 y 3.4.3 contienen una corrección para la comprobación de estos nombres de plantillas. No son conocidas mitigaciones aparte de la actualización"
    }
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  "lastModified": "2026-06-17T04:58:01.430",
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