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CVE-2026-40971

1 advisory.

Maven/org.springframework.boot:spring-boot-rabbitmq CVE-2026-40971: medium 5, EPSS 0.30%

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

Action: Upgrade org.springframework.boot:spring-boot-rabbitmq to 3.5.14 (3.x) or 4.0.6 (4.x) or later.

Affected

introducedfixedlast affected
4.0.04.0.6-
3.5.03.5.14-

Fixed versions

4.0.63.5.14

Sources

CVE-2026-40971 · published · modified · JSON