Rack Ruby vulnerability could reveal secrets to attackers (CVE-2025-27610) - Help Net Security

Rack Ruby vulnerability could reveal secrets to attackers (CVE-2025-27610) - Help Net Security

Researchers have uncovered three serious vulnerabilities in Rack, a server interface used by most Ruby web app frameworks (Ruby on Rails, Sinatra, Hanami, Roda, and others). Two of the flaws – CVE-2025-25184 and CVE-2025-27111 – could allow attackers to manipulate log content and entries, while the third one – CVE-2025-27610 – is a path traversal vulnerability that may allow attackers to gain unauthorized access to sensitive information. About C…

Researchers Identify Rack::Static Vulnerability Enabling Data Breaches in Ruby Servers

Cybersecurity researchers have disclosed three security flaws in the Rack Ruby web server interface that, if successfully exploited, could enable attackers to gain unauthorized access to files, inject malicious data, and tamper with logs under certain conditions. The vulnerabilities, flagged by cybersecurity vendor OPSWAT, are listed below CVE-2025-27610 (CVSS score: 7.5) - A path traversal