CVEvulnerability
CVE-2026-40969
5.3 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-28
- Last modified
- 2026-10-26
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.7 LOW — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-209
Description
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.
Affected configurations
• vmware spring grpc (< 1.0.3)
Related
Weakness · CWE (1)
- CWE-209 Generation of Error Message Containing Sensitive Information weakness
References
- https://spring.io/security/cve-2026-40969 Vendor Advisory