Expression Language Injection Affecting org.springframework.cloud:spring-cloud-gateway-server package, versions [,4.2.5)[4.3.0,4.3.1)
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- published10 Sept 2025
- disclosed8 Sept 2025
- creditEzzer17
Introduced: 8 Sep 2025
NewCVE-2025-41243 (opens in a new tab)How to fix?
Upgrade org.springframework.cloud:spring-cloud-gateway-server to version 4.2.5, 4.3.1 or higher.
Overview
Affected versions of this package are vulnerable to Expression Language Injection in the GatewayEvaluationContext method, which allows property modification that in turn enables code execution.
Only Webflux applications are vulnerable, not WebMVC applications. Additionally, the following conditions must be true to render an application 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.