CVE-2026-54288: Insufficient Verification of Data Authenticity

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.25, the Body Limit Middleware trusts the request's Content-Length header to decide whether a body is within the limit. On AWS Lambda API Gateway v1/v2, ALB, VPC Lattice, and Lambda@Edge the body is...

Insufficient Verification of Data Authenticity

Overview org.webjars.npm:hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity in the Body Limit Middleware. An attacker can cause the application to process payloads larger than the configured maximum b...

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...