Intel

AIKIDO-2026-10682

spring-grpc-core is vulnerable to Information Disclosure

Information DisclosureCVE-2026-40969 Published Apr 30, 2026

37

Low Risk

This Affects:

JAVAspring-grpc-core
0.0.1 - 1.0.2
Fixed in 1.0.3
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TL;DR

Affected versions of Spring gRPC are vulnerable to Information Disclosure. The raw message of every server-side AuthenticationException is returned to the unauthenticated remote caller in the gRPC status description. This allows an attacker to obtain information about the authentication failure, which may be useful for further attacks.

Who does this affect?

You are affected if using a vulnerable version.

Background info

spring-grpc-core is vulnerable to Information Disclosure 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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