Vmware Spring Cloud Gateway up to 5.0.1 Header X-Forwarded-For origin validation

Summaryinfo

A vulnerability described as problematic has been identified in Vmware Spring Cloud Gateway up to 3.1.12/4.1.12/4.2.8/4.3.4/5.0.1. This impacts an unknown function of the component Header Handler. Such manipulation of the argument X-Forwarded-For leads to origin validation. This vulnerability is listed as CVE-2026-47825. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Vmware Spring Cloud Gateway up to 3.1.12/4.1.12/4.2.8/4.3.4/5.0.1 and classified as problematic. Affected by this issue is an unknown code block of the component Header Handler. The manipulation of the argument X-Forwarded-For with an unknown input leads to a origin validation vulnerability. Using CWE to declare the problem leads to CWE-346. The product does not properly verify that the source of data or communication is valid. Impacted is integrity. CVE summarizes:

Spring Cloud Gateway Server forwards the X-Forwarded-For and Forwarded headers from untrusted proxies in certain configuration scenarios. This affects both the WebMVC and WebFlux Gateway Servers. Affected versions: Spring Cloud Gateway 3.1.x (fix 3.1.13). Spring Cloud Gateway 4.1.x (fix 4.1.13). Spring Cloud Gateway 4.2.x (fix 4.2.9). Spring Cloud Gateway 4.3.x (fix 4.3.5). Spring Cloud Gateway 5.0.x (fix 5.0.2).

The advisory is available at spring.io. This vulnerability is handled as CVE-2026-47825 since 05/20/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/16/2026).

Upgrading to version 3.1.13, 4.1.13, 4.2.9, 4.3.5 or 5.0.2 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Cloud Software

Vendor

• Vmware

Name

• Spring Cloud Gateway

Version

• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.1.5
• 3.1.6
• 3.1.7
• 3.1.8
• 3.1.9
• 3.1.10
• 3.1.11
• 3.1.12
• 4.1.0
• 4.1.1
• 4.1.2
• 4.1.3
• 4.1.4
• 4.1.5
• 4.1.6
• 4.1.7
• 4.1.8
• 4.1.9
• 4.1.10
• 4.1.11
• 4.1.12
• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.3
• 4.2.4
• 4.2.5
• 4.2.6
• 4.2.7
• 4.2.8
• 4.3.0
• 4.3.1
• 4.3.2
• 4.3.3
• 4.3.4
• 5.0.0
• 5.0.1

License

• commercial

Website

• Vendor: https://www.vmware.com/

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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