CVE-2026-40969

medium

Published 2026-04-28 · Modified 2026-05-06

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

5.3

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.3

Description

Spring gRPC AuthenticationException messages are reflected to remote client

Predictions

Exploit likelihood

63%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
Maven	org.springframework.grpc:spring-grpc	`<1.0.3`	`1.0.3`
MAVEN	org.springframework.grpc:spring-grpc	`< 1.0.3`	`1.0.3`

Application impact

Vendor	Product	Versions	Fixed
vmware	spring_grpc	`{"endExcluding":"1.0.3"}`	`1.0.3`

References

CWEs

CWE-209

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.