What is CVE-2026-40969?

CVE-2026-40969 is a low-severity vulnerability in Spring Grpc, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 3.7/10. Published 2026-04-28.

How severe is CVE-2026-40969?

Low severity. CVSS v3 base score is 3.7 out of 10.

Information disclosure in Spring Grpc

CVE-2026-40969

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 usef…

EPSS: 0.001 (19.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Spring Grpc — versions 1.0.0
Vmware Spring_grpc

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

security@vmware.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-40969?: CVE-2026-40969 is a low-severity vulnerability in Spring Grpc, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 3.7/10. Published 2026-04-28.
How severe is CVE-2026-40969?: Low severity. CVSS v3 base score is 3.7 out of 10.