EUVD-2026-80788

@fastify/auth is a Fastify plugin that composes multiple authentication and authorization strategies into a single route guard. In versions 5.0.0 through 5.1.0, when strategies are composed with the relation "or" option together with the run "all" option and one entry is a nested array acting as ...

CVE-2026-92087

@fastify/auth (a Fastify plugin for composing authentication and authorization strategies) is vulnerable to authorization bypass in versions 5.0.0 through 5.1.0 . When strategies are composed using the or relation with the run: "all" option and a nested array acting as an AND group, the group is ...

Borsh serialization of HashMap is non-canonical

The borsh serialization of the HashMap did not follow the borsh specification. It potentially produced non-canonical encodings dependent on insertion order. It also did not perform canonicty checks on decoding. This can result in consensus splits and cause equivalent objects to be considered...