Smithy-RS: Allocation of resources without limits in the default aws-smithy-http-server serve() path allows unauthent...
High-risk advisory
CVE-2026-16756
Summary
Smithy-RS: Allocation of resources without limits in the default aws-smithy-http-server serve() path allows unauthenticated Slowloris denial of service
Why it matters
GitHub has published a reviewed security advisory for aws-smithy-http-server. Prioritize it with other application dependency updates, especially because EPSS places it in the 34% percentile.
Operator check
Check whether aws-smithy-http-server is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7. EPSS probability: 0.4%; percentile: 34%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.