ruby-advisory-db/gems/activestorage/CVE-2026-33202.yml at 03c7702be716a958a2e0b095e08c2ab0736cd55e · rubysec/ruby-advisory-db · GitHub

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---
gem: activestorage
framework: rails
cve: 2026-33202
ghsa: 73f9-jhhh-hr5m
url: https://github.com/rails/rails/security/advisories/GHSA-73f9-jhhh-hr5m
title: Rails Active Storage has possible glob injection in its DiskService
date: 2026-03-23
description: |
  ### Impact
  Active Storage's `DiskService#delete_prefixed` passes blob keys directly to `Dir.glob` without escaping glob metacharacters.
  If a blob key contains attacker-controlled input or custom-generated keys with glob metacharacters,
  it may be possible to delete unintended files from the storage directory.

  ### Releases
  The fixed releases are available at the normal locations.
patched_versions:
  - "~> 7.2.3, >= 7.2.3.1"
  - "~> 8.0.4, >= 8.0.4.1"
  - ">= 8.1.2.1"
related:
  url:
    - https://github.com/rails/rails/security/advisories/GHSA-73f9-jhhh-hr5m
    - https://github.com/rails/rails/commit/8c9676b803820110548cdb7523800db43bc6874c
    - https://github.com/rails/rails/commit/955284d26e469a9c026a4eee5b21f0414ab0bccf
    - https://github.com/rails/rails/commit/fa19073546360856e9f4dab221fc2c5d73a45e82
    - https://github.com/rails/rails/releases/tag/v7.2.3.1
    - https://github.com/rails/rails/releases/tag/v8.0.4.1
    - https://github.com/rails/rails/releases/tag/v8.1.2.1