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CVE-2026-47825— Spring Cloud Gateway Server Forwards Headers from Untrusted Proxies in certain situations

Quick assessment

Affected
Spring Spring Cloud Gateway
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Spring Cloud Gateway是美国Spring公司开源的一款API网关框架。 Spring Cloud Gateway存在输入验证错误漏洞，该漏洞源于在某些配置场景下将X-Forwarded-For和Forwarded报头从不可信代理转发，影响WebMVC和WebFlux Gateway Server。以下版本受到影响：Spring Cloud Gateway 3.1.13之前版本的3.1.x版本、Spring Cloud Gateway 4.1.13之前版本的4.1.x版本、Spring C

CVSS 8.6 · High EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services

Affected Version Matrix 5

VendorProduct Version RangeStatus
Spring Spring Cloud Gateway 3.1.0< 3.1.13 affected
4.1.0< 4.1.13 affected
4.2.0< 4.2.9 affected
4.3.0< 4.3.4.1 affected
5.0.0< 5.0.1.1 affected
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I. Basic Information for CVE-2026-47825

Vulnerability Information
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Vulnerability Title
Spring Cloud Gateway Server Forwards Headers from Untrusted Proxies in certain situations
Source: CVE Program / CVE List V5
Vulnerability Description
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).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
源验证错误
Source: CVE Program / CVE List V5
Vulnerability Title
Spring Cloud Gateway 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Spring Cloud Gateway是美国Spring公司开源的一款API网关框架。 Spring Cloud Gateway存在输入验证错误漏洞，该漏洞源于在某些配置场景下将X-Forwarded-For和Forwarded报头从不可信代理转发，影响WebMVC和WebFlux Gateway Server。以下版本受到影响：Spring Cloud Gateway 3.1.13之前版本的3.1.x版本、Spring Cloud Gateway 4.1.13之前版本的4.1.x版本、Spring C
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Spring Spring Cloud Gateway 3.1.0 ~ 3.1.13 -

II. Public POCs for CVE-2026-47825

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III. Intelligence Information for CVE-2026-47825

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Vendor Advisories for CVE-2026-47825 (1)

Same Patch Batch · Spring · 2026-06-15 · 3 CVEs total

CVE-2026-47835 8.6 HIGH Spring AI vector store metadata filtering to handle special characters in Elasticsearch, O
CVE-2026-41708 7.5 HIGH Spring Cloud Sleuth instrumentation of Spring TX DoS vulnerability

IV. Related Vulnerabilities

Same product: Spring Cloud Gateway
Same vendor: Spring
Same weakness: CWE-346

V. Comments for CVE-2026-47825

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