@better-auth/sso provider registration has server-side request forgery via unvalidated OIDC endpoints

Date Jul 7, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm ยท @better-auth/sso
CVE CVE-2026-53513
High-risk advisory CVE-2026-53513

Summary

@better-auth/sso provider registration has server-side request forgery via unvalidated OIDC endpoints

Why it matters

GitHub has published a reviewed security advisory for @better-auth/sso. Prioritize it with other application dependency updates.

Operator check

Check whether @better-auth/sso is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.