Spring Expression language property modification using Spring Cloud Gateway Server WebFlux
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.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.springframework.cloud:spring-cloud-gateway-server-webflux | >= 3.1.0, <= 3.1.10, >= 4.0.0, <= 4.1.10, >= 4.2.0, < 4.2.5, >= 4.3.0, < 4.3.1 | 4.2.5, 4.3.1 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H- Weakness (CWE)
CWE-94- Platform
- Java / Kotlin (Maven)
- Package
org.springframework.cloud:spring-cloud-gateway-server-webflux- Disclosed
- 16.09.2025
- Updated
- 11.10.2026 12:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-q2cj-h8fw-q4cc - CC BY 4.0
Vulnerability history: org.springframework.cloud:spring-cloud-gateway-server-webflux
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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