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CVE-2026-33195

CRITICAL

9.8

Descripcion

Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, Active Storage's `DiskService#path_for` does not validate that the resolved filesystem path remains within the storage root directory. If a blob key containing path traversal sequences (e.g. `../`) is used, it could allow reading, writing, or deleting arbitrary files on the server. Blob keys are expected to be trusted strings, but some applications could be passing user input as keys and would be affected. Versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 contain a patch.

Detalles CVE

Puntuacion CVSS v3.19.8

SeveridadCRITICAL

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado3/24/2026

Ultima modificacion3/24/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

rubyonrails:rails

Debilidades (CWE)

CWE-22

Referencias

https://github.com/rails/rails/commit/4933c1e3b8c1bb04925d60347be9f69270392f2c(security-advisories@github.com)

https://github.com/rails/rails/commit/9b06fbc0f504b8afe333f33d19548f3b85fbe655(security-advisories@github.com)

https://github.com/rails/rails/commit/a290c8a1ec189d793aa6d7f2570b6a763f675348(security-advisories@github.com)

https://github.com/rails/rails/releases/tag/v7.2.3.1(security-advisories@github.com)

https://github.com/rails/rails/releases/tag/v8.0.4.1(security-advisories@github.com)

https://github.com/rails/rails/releases/tag/v8.1.2.1(security-advisories@github.com)

https://github.com/rails/rails/security/advisories/GHSA-9xrj-h377-fr87(security-advisories@github.com)

Correlaciones IOC

Sin correlaciones registradas

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