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CVE-2026-40969

5.3 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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: 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 5.3 · vmwareNVD modified 2026-10-26 00:10

Affected (CPE criteria) 1

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

References 1