What is GHSA-9vc8-qppq-wvxc?

GHSA-9vc8-qppq-wvxc is a security advisory published by GitHub Security Advisories with Medium severity. Spring Boot's RabbitMQ auto-configuration doesn't perform hostname verification when connecting to the RabbitMQ broker

Which CVE IDs does GHSA-9vc8-qppq-wvxc cover?

GHSA-9vc8-qppq-wvxc covers the following CVE IDs: CVE-2026-40971. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9vc8-qppq-wvxc?

GHSA-9vc8-qppq-wvxc has a CVSS v3 base score of 5.0, published by GitHub Security Advisories.

Which products are affected by GHSA-9vc8-qppq-wvxc?

GHSA-9vc8-qppq-wvxc affects 2 products, including: maven/org.springframework.boot:spring-boot-rabbitmq:\u003e= 4.0.0, \u003c 4.0.6; maven/org.springframework.boot:spring-boot-rabbitmq:\u003e= 3.5.0, \u003c 3.5.14.

GHSA-9vc8-qppq-wvxcMediumCVSS 5.0

Spring Boot's RabbitMQ auto-configuration doesn't perform hostname verification when connecting to the RabbitMQ broker

Vendor

GitHub Security Advisories

Published

April 28, 2026

Last Modified

May 6, 2026

🔗 CVE IDs covered (1)

CVE-2026-40971 →

📋 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.

🎯 Affected products2

maven/org.springframework.boot:spring-boot-rabbitmq:>= 4.0.0, < 4.0.6
maven/org.springframework.boot:spring-boot-rabbitmq:>= 3.5.0, < 3.5.14

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-40971
https://spring.io/security/cve-2026-40971
https://github.com/advisories/GHSA-9vc8-qppq-wvxc