CVE-2025-41243

Critical

Description

Spring Cloud Gateway Server Webflux may be vulnerable to Spring Environment property modification. An application should be considered vulnerable when all the following are true: * The application is using Spring Cloud Gateway Server Webflux (Spring Cloud Gateway Server WebMVC is not vulnerable). * Spring Boot actuator is a dependency. * The Spring Cloud Gateway Server Webflux actuator web endpoint is enabled via management.endpoints.web.exposure.include=gateway. * The actuator endpoints are available to attackers. * The actuator endpoints are unsecured.

SeverityCritical
CVSS10.0
Exploit probability—
ProductOrg.springframework.cloud:spring-cloud-gateway-server-webflux
PublishedSep 16, 2025
First seenSep 16, 2025

How to fix

Update
  • org.springframework.cloud:spring-cloud-gateway-server-webflux4.2.5, 4.3.1 or later

Affected products

ProductAffected versionsFixed in
org.springframework.cloud:spring-cloud-gateway-server-webfluxMaven3.1.0 ≤ v ≤ 3.1.10, 4.0.0 ≤ v ≤ 4.1.10, 4.2.0 ≤ v < 4.2.5, 4.3.0 ≤ v < 4.3.14.2.5, 4.3.1

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