Exploited vulnerability

CVE-2025-41243

TLP:CLEAR

Improper Control of Generation of Code ('Code Injection')

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.

Facts

Vendor: Spring
Product: Cloud Gateway
EPSS (probability of exploitation within 30 days): 3.7 %
First known exploitation: 20 October 2026
First seen by Risk Letters: 20 October 2026

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD