Spring Expression Language property modification using Spring Cloud Gateway Server WebFlux
63Vexday Risk Score
Patch soon. It has a working public exploit.
ssvc Attendcvss 10epss 3.5%
from disclosure to weapon132 days
Published on NVDSep 16
1st PoC+132d
exploitation probability
3.5%top 11% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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 Gatewaypublic PoCs found — 1
githubgithub.com/SFN233/CVE-2025-41243-Vulnerability-Lab★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.