#VU124273 Expired pointer dereference in Ruby on Rails - CVE-2026-33173
Published: March 24, 2026
Vulnerability identifier: #VU124273
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-33173
CWE-ID: CWE-825
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Ruby on Rails
Ruby on Rails
Software vendor:
Rails
Rails
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to DirectUploadsController accepts arbitrary metadata from the client and persists it on the blob. A remote attacker can gain access to sensitive information on the target system.
Remediation
Install updates from vendor's website.