PT-2026-49735

Name of the Vulnerable Software and Affected Versions Hono versions prior to 4.12.25 Description The Body Limit Middleware trusts the Content-Length header to determine if a request body is within the allowed limit. In environments such as AWS Lambda including API Gateway v1/v2, ALB, VPC Lattice,...

Improper Input Validation

Hono is vulnerable to improper input validation. The vulnerability is due to a flaw in the bodyLimit middleware that prioritized the Content-Length header over Transfer-Encoding: chunked, which allows an attacker to bypass the configured request body size limit and potentially cause a denial of...