# What changed in @simplewebauthn/server

> 1 change in @simplewebauthn/server 13 from its official release notes, upgrade guides and advisories: 1 security. Each one cited. Sources checked 2026-10-18. HTML: https://unstale.sh/npm/@simplewebauthn/server/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## @simplewebauthn/server 13

### Security

- SimpleWebAuthn: Registration verification does not sufficiently ensure that attestation certificates chain to a trust anchor (13.3.2) — [security advisory](https://github.com/advisories/GHSA-6HXQ-P678-4HR2)