YARD static cache reads raw traversal paths before router sanitization

Summary YARD's static cache lookup reads a request path before the router's path cleanup runs. When a server is configured with a document root, a traversal path such as /../yard-cache-secret.html is joined against that root and can return a readable sibling .html file outside the intended static...

YARD static cache reads raw traversal paths before router sanitization

Summary YARD's static cache lookup reads a request path before the router's path cleanup runs. When a server is configured with a document root, a traversal path such as /../yard-cache-secret.html is joined against that root and can return a readable sibling .html file outside the intended static...

CVE-2026-49342

YARD (Ruby) prior to 0.9.44 is affected: its static cache lookup reads the request path before router path cleanup, allowing a traversal like /../yard-cache-secret.html to be joined with a document root and retrieve a sibling .html outside the intended static tree. The issue is addressed in versi...