CVE-2025-41243
CRITICAL NUCLEISpring Cloud Gateway Server Webflux - Info Disclosure
Title source: llmExploitation Summary
EIP tracks 1 public exploit for CVE-2025-41243. PoCs published by SFN233. A Nuclei detection template is also available.
AI-analyzed exploit summary This repository provides a lab setup for CVE-2025-41243, a SpEL expression injection vulnerability in Spring Cloud Gateway that allows RCE when Actuator endpoints are enabled. It includes instructions for launching a Docker environment and reproducing the exploit.
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.
Exploits (1)
This repository provides a lab setup for CVE-2025-41243, a SpEL expression injection vulnerability in Spring Cloud Gateway that allows RCE when Actuator endpoints are enabled. It includes instructions for launching a Docker environment and reproducing the exploit.
Nuclei Templates (1)
((header="Server: Netty@SpringBoot" || (body="Whitelabel Error Page" && body="There was an unexpected error")) && body!="couchdb") || title="SpringBootAdmin-Server" || body="SpringBoot"
References (1)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H