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:
Spring gRPC: 1.0.0 - 1.0.2 (fixed in 1.0.3). Older, unsupported versions are also affected.
Metrics
Affected Vendors & Products
References
History
Thu, 30 Apr 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Vmware
Vmware spring Grpc |
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| CPEs | cpe:2.3:a:vmware:spring_grpc:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Vmware
Vmware spring Grpc |
Wed, 29 Apr 2026 10:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Spring
Spring spring |
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| Vendors & Products |
Spring
Spring spring |
Tue, 28 Apr 2026 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 28 Apr 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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: Spring gRPC: 1.0.0 - 1.0.2 (fixed in 1.0.3). Older, unsupported versions are also affected. | |
| Title | Spring gRPC SecurityContext leaks across requests on authorization failure | |
| Weaknesses | CWE-653 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: vmware
Published:
Updated: 2026-04-28T14:36:35.953Z
Reserved: 2026-04-16T02:18:56.133Z
Link: CVE-2026-40968
Updated: 2026-04-28T14:36:28.833Z
Status : Analyzed
Published: 2026-04-28T15:16:30.400
Modified: 2026-04-30T13:32:58.017
Link: CVE-2026-40968
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