CVE-2026-40971

State: Published
Severity: 5.0 Medium
Published: Apr 27, 2026
Updated: Apr 28, 2026
Reserved: Apr 16, 2026

Description

When configured to use an SSL bundle, Spring Boot's RabbitMQ auto-configuration does not perform hostname verification when connecting to the RabbitMQ broker.

Affected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14) per vendor advisory.

Scores

CVSS	Score	Vector	Source
3.1	5.0 Medium	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L	vmware

Weaknesses

CWE-295 Improper Certificate Validation

Affected Products

Product	Versions
Spring BootSpring	4.0.0 to before 4.0.6Affected 3.5.0 to before 3.5.14Affected

References

https://spring.io/security/cve-2026-40971

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