CVE-2026-40969 - Spring gRPC AuthenticationException message reflected to remote client
CVE ID :CVE-2026-40969
Published : April 28, 2026, 3:16 p.m. | 2 hours, 58 minutes ago
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.
Severity: 3.7 | LOW
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Published : April 28, 2026, 3:16 p.m. | 2 hours, 58 minutes ago
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.
Severity: 3.7 | LOW
Visit the link for more details, such as CVSS details, affected products, timeline, and more...