PT-2026-59165

Summary Granian aborts a worker process if a WSGI application returns an invalid HTTP response header name or value. The WSGI response conversion path uses .unwrap on both the header name and header value constructors, so malformed output from the application becomes a process abort instead of a...

CVE-2026-42545

Granian is a Rust HTTP server for Python applications. Vulnerable from 0.2.0 up to 2.7.4, where the WSGI response conversion path uses .unwrap() on header name and value constructors; malformed headers trigger a worker process abort instead of handling the error. This results in a Denial of Servi...