#VU116895 Information disclosure in Rack - CVE-2025-61780
Published: October 10, 2025
Vulnerability identifier: #VU116895
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-61780
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Rack
Rack
Software vendor:
Rack
Rack
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to improper handling of headers in "Rack::Sendfile". A remote attacker can bypass proxy-enforced restrictions and access internal endpoints.
Remediation
Install updates from vendor's website.