CVE-2025-41253— Spring Cloud Gateway Webflux SpEL Injection Vulnerability Allowing Exposure of Environment Variables

Spring Cloud Gateway Webflux SpEL Injection Vulnerability Allowing Exposure of Environment Variables

The following versions of Spring Cloud Gateway Server Webflux may be vulnerable to the ability to expose environment variables and system properties to attackers. 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). * An admin or untrusted third party using Spring Expression Language (SpEL) to access environment variables or system properties via routes. * An untrusted third party could create a route that uses SpEL to access environment variables or system properties if: * The Spring Cloud Gateway Server Webflux actuator web endpoint is enabled via management.endpoints.web.exposure.include=gateway and management.endpoint.gateway.enabled=trueor management.endpoint.gateway.access=unrestricte. * The actuator endpoints are available to attackers. * The actuator endpoints are unsecured.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

表达式语言语句中使用的特殊元素转义处理不恰当(表达式语言注入)

Spring Cloud Gateway Server Webflux 安全漏洞

Spring Cloud Gateway Server Webflux是Spring开源的一个网关服务器。 Spring Cloud Gateway Server Webflux存在安全漏洞，该漏洞源于Spring Expression Language可能暴露环境变量和系统属性，可能导致信息泄露。

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