5.3
Moyenne
CVE-2026-33173 Active Storage allows users to attach cloud and local files in Rails applications
Description
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, `DirectUploadsController` accepts arbitrary metadata from the client and persists it on the blob. Because internal flags like `identified` and `analyzed` are stored in the same metadata hash, a direct-upload client can set these flags to skip MIME detection and analysis. This allows an attacker to upload arbitrary content while claiming a safe `content_type`, bypassing any validations that rely on Active Storage's automatic content type identification. Versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 contain a patch.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| activestorage 8.1 | 8.1.0.beta1 → < 8.1.2.1 | 8.1.2.1 |
| activestorage 8.0 | 8.0.0.beta1 → < 8.0.4.1 | 8.0.4.1 |
| activestorage 7.2 | premières → < 7.2.3.1 | 7.2.3.1 |
Références
- github.com github.com
- github.com github.com
- github.com github.com
- github.com github.com
- github.com github.com
- github.com github.com
- github.com github.com
Chronologie
- Publiée
- Dernière modification
Autres CVE de activestorage
Les 6 CVE de activestorage →
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Active Storage allows users to attach cloud and local files in Rails applications
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