Rack Ruby flaw exposes secrets; update now

A critical vulnerability, CVE-2025-27610, in the Rack Ruby interface could expose sensitive information to attackers. This flaw allows unauthorized access to files. The vulnerability, found in Rack's Static middleware, enables path traversal, letting attackers access files outside the intended directory. Attackers could potentially access configuration files and credentials. Developers are urged to update Rack to patched versions or mitigate the issue by removing Rack::Static or ensuring proper directory configuration. The widespread use of Rack emphasizes the importance of this update.