Auth.js: getToken() throws an uncaught exception on malformed Bearer authorization headers

Date Jul 23, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm · @auth/core
High-risk advisory

Summary

Auth.js: getToken() throws an uncaught exception on malformed Bearer authorization headers

Why it matters

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

Operator check

Check whether @auth/core 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.