Findings

CVE-2026-33202

Active Storage allows users to attach cloud and local files in Rails applications.

Published Mar 24, 2026 · updated Jun 17, 2026 · rubyonrails rails

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 passes blob keys directly to 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. Versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 contain a patch.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 24, 2026 · NIST NVD

    Detected

    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 passes blob keys directly to 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. Versions 8

  2. Jun 17, 2026 · NIST NVD

    Updated

    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 passes blob keys directly to 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. Versions 8

Affected

  • cpe rubyonrails/railsversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-33202

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-33202

    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 passes blob keys directly to without escaping glob metacharacters. If a blob key contains

    nvd.nist.gov

References