Medium, CVSS 5.0MavenPublished
Spring Boot's RabbitMQ auto-configuration doesn't perform hostname verification when connecting to the RabbitMQ broker
CVE-2026-40971 · GHSA-9vc8-qppq-wvxc
- Affected
- Maven org.springframework.boot:spring-boot-rabbitmq >= 4.0.0, < 4.0.6; >= 3.5.0, < 3.5.14
- Fixed in
- 4.0.63.5.14· Vendor fix available
- Issue
- 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.
Recommended action: Upgrade to 4.0.6 or 3.5.14 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.