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CVE-2026-40968

8.8 high SSVC exploitation: none Analyzed

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.8 · vmwareNVD modified 2026-10-26 20:10

Affected (CPE criteria) 1

  • cpe:2.3:a:vmware:spring_grpc:*:*:*:*:*:*:*:*

References 1