Spring gRPC SecurityContext leaks across requests upon authorization failure

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. Affected versions:...

CVE-2026-40969

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. Affected versions: Spring gRPC:...

CVE-2026-40968 Spring gRPC SecurityContext leaks across requests on authorization failure

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. Affected versions:...

io.crossplane.compositefunctions:crossplane-function-example (>=1.20-alpha <=2.0.5), io.crossplane.compositefunctions:crossplane-function-springboot-starter (>=1.20-alpha <=2.0.5) +19 more potentially affected by CVE-2026-40969 via org.springframework.grpc:spring-grpc-core (>=1.0.0-RC1 <=1.0.2)

org.springframework.grpc:spring-grpc-core MAVEN version =1.0.0-RC1, =1.20-alpha, =1.20-alpha, =2026.01, =0.8.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =1.0.0, =1.0.0, =1.0.2 - org.springframew...

Generation of Error Message Containing Sensitive Information

Overview Affected versions of this package are vulnerable to Generation of Error Message Containing Sensitive Information due to the raw message of every server-side AuthenticationException being returned to the unauthenticated remote caller in the gRPC status description. This allows an attacker...

io.crossplane.compositefunctions:crossplane-function-example (>=1.20-alpha <=2.0.5), io.crossplane.compositefunctions:crossplane-function-springboot-starter (>=1.20-alpha <=2.0.5) +19 more potentially affected by CVE-2026-40968 via org.springframework.grpc:spring-grpc-core (>=1.0.0-RC1 <=1.0.2)

org.springframework.grpc:spring-grpc-core MAVEN version =1.0.0-RC1, =1.20-alpha, =1.20-alpha, =2026.01, =0.8.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =1.0.0, =1.0.0, =1.0.2 - org.springframew...

Vmware Spring gRPC 安全漏洞

Vmware Spring gRPC is an extension component for Spring application development developed by Vmware, a company in the United States. Versions 1.0.0 to 1.0.2 of Vmware Spring gRPC contain security vulnerabilities. These vulnerabilities arise when authenticated users are denied access to gRPC...

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