CVE-2026-40969
LOW
NVD
CVSS Score
3.7
Severity
LOW
Published
Apr 28, 2026
Vendor
unknown
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.