Centrifugo's dynamic JWKS key cache keyed only by `kid` allows cross-issuer JWT authentication bypass
High-risk advisory
CVE-2026-49998
Summary
Centrifugo's dynamic JWKS key cache keyed only by `kid` allows cross-issuer JWT authentication bypass
Why it matters
GitHub has published a reviewed security advisory for github.com/centrifugal/centrifugo/v6. Prioritize it with other application dependency updates.
Operator check
Check whether github.com/centrifugal/centrifugo/v6 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.