aws-smithy-http-server-python (>=0.44.0, <=0.52.0) potentially affected by CVE-2026-16756 via aws-smithy-http-server (>=0.44.0, <=0.52.0)

aws-smithy-http-server CARGO version =0.44.0, =0.44.0, =0.52.0 Source cves: CVE-2026-16756 Source advisory: OSV:GHSA-JVXP-QMX7-GJPX...

Smithy-RS: Allocation of resources without limits in the default aws-smithy-http-server serve() path allows unauthenticated Slowloris denial of service

Summary Smithy-RS is a Rust code generation and runtime framework that generates HTTP clients and servers from Smithy interface definitions, powering the AWS SDK for Rust and custom service implementations. An issue exists where, under certain circumstances, allocation of resources without limits...

CVE-2026-16756: Allocation of Resources Without Limits or Throttling

Missing connection and header-read timeouts and the absence of a concurrent-connection cap in the default serve path of Amazon aws-smithy-http-server might allow remote attackers to cause a denial of service by opening many connections and sending partial requests that are never completed,...