CVE-2026-33202 - Vulnerability Analysis

Overview

Rails Active Storage < 8.1.2.1, 8.0.4.1, and 7.2.3.1 contains a file deletion vulnerability caused by unescaped glob metacharacters in blob keys passed to Dir.glob, letting attackers delete unintended files, exploit requires attacker-controlled blob keys.

Severity & Score

Impact

Attackers can delete unintended files from storage, potentially causing data loss or service disruption.

Mitigation

Update to versions 8.1.2.1, 8.0.4.1, or 7.2.3.1 or later.

References

• 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
• https://github.com/rails/rails/security/advisories/GHSA-73f9-jhhh-hr5m

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner