CVE-2025-41243criticalobserved exploitationCWE-917CWE-94

CVE-2025-41243: critical vulnerability in Spring Cloud Gateway

Spring Expression Language property modification using Spring Cloud Gateway Server WebFlux

Published · Updated

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85Vexday Risk Score

Patch now. It exploitation observed by VulnCheck and has a working public exploit.

ssvc Actcvss 10epss 3.7%
from disclosure to weapon132 days
Published on NVDSep 16
1st PoC+132d
VulnCheck+399d
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected products
Spring · Cloud Gateway
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.