Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-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 `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. Versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 contain a patch.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 4.5%
CVSS Severity
CVSS v3 Score 9.1
Products affected by CVE-2026-33202


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