Improper Neutralization of Special Elements in Output Used by a Downstream Component in Ruby on Rails - CVE-2026-33202
Published: March 24, 2026
Vulnerability identifier: #VU124281
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-33202
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Rails
Affected software:
Ruby on Rails
Ruby on Rails
Detailed vulnerability description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to the glob injection in Active Storage DiskService. A remote attacker can delete unintended files from the storage directory.
How to mitigate CVE-2026-33202
Install updates from vendor's website.