HTTP Request Smuggling

Overview org.webjars.npm:hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to HTTP Request Smuggling via the bodyLimit middleware when conflicting HTTP headers are present. An attacker can cause excessive memory or CPU consumption by sending oversiz...

CVE-2025-59139

CVE-2025-59139 affects the Hono web framework (pre-4.9.7). A flaw in the bodyLimit middleware allowed bypassing the configured request body size limit when conflicting headers were present, because Content-Length could be prioritized over Transfer-Encoding: chunked. The HTTP spec requires Transfe...