CVE-2026-40969
MEDIUM
MEDIUM
Priority: 0.01
BB Relevance:
71/100
Published: 2026-04-28
Modified: 2026-10-26
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
Unchanged
C:
Low
I:
None
A:
None
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.
Weakness Classification (1)
Affected Software (1)
| Vendor | Product | Version |
|---|---|---|
| vmware | spring_grpc | < 1.0.3 |
References & Advisories (1)
Vendor Advisory