CVE-2026-40971

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.

Score

CVSS 3.1 9.1 Critical

Status

Analyzed - security@vmware.com

Published

2026-04-27

Last modified

2026-04-28

Weaknesses

CWE-295

Affected products

• Spring Boot (Spring)
• Spring Boot (Vmware)

References

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