CVE-2026-47825 HIGH

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

Vendor Spring
Product Spring Cloud Gateway
Weakness CWE-346 · Origin validation
Published June 15, 2026
Last update June 15, 2026
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

What the vulnerability does

01Description

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).

Key dates

02Disclosure timeline

June 15, 2026 CVE published