AIKIDO-2026-10681
spring-grpc-core is vulnerable to Improper Isolation or Compartmentalization
42
Medium Risk
This Affects:
spring-grpc-coreTL;DR
Affected versions of Spring gRPC are vulnerable to Improper Isolation or Compartmentalization. When an authenticated user is denied access to a gRPC method, their authenticated identity remains bound to the gRPC worker thread and can be inherited by a subsequent unauthenticated request on the same thread. This may allow the subsequent user to gain escalated permissions.
Who does this affect?
You are affected if using a vulnerable version.
Background info
spring-grpc-core is vulnerable to Improper Isolation or Compartmentalization in versions 0.0.1 - 1.0.2.
How to fix this
Upgrade the org.springframework.grpc:spring-grpc-core library to the patch version.
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