medium5.0
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.
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.springframework.boot:spring-boot-rabbitmq | >= 4.0.0, < 4.0.6 | 4.0.6 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Vmware | Spring Boot | from 3.5.0 before 3.5.14 from 4.0.0 before 4.0.6 |