CVE-2026-54288
CVE-2026-54288 · Hono: Body Limit Middleware can be bypassed on AWS Lambda by understating `Content-Length`
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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 delivered fully buffered and the adapter builds the request with the client-declared Content-Length, which need not match the actual payload. A client can declare a tiny Content-Length while sending a much larger body, slipping past the limit. This vulnerability is fixed in 4.12.25.
CVSS 6.5 · Mittel · EPSS 0,1% · Korrektur verfügbar
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Technologie-Stack: node