CVE-2026-47879

Spring Cloud Gateway SSRF and native file access with gRPC

State: Published
Severity: 7.7 High
Published: Aug 27, 2026
Updated: Aug 27, 2026
Reserved: May 20, 2026

Description

Spring Cloud Gateway JsonToGrpcGatewayFilterFactory allows arbitrary Spring Resource locations for defining the proto descriptor. Spring Cloud Gateway 5.0.0 - 5.0.2 Spring Cloud Gateway 4.3.0 - 4.3.5 Spring Cloud Gateway 4.0.0 - 4.2.9 Spring Cloud Gateway 3.1.13 and earlier

Scores

CVSS	Score	Vector	Source
3.1	7.7 High	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N	vmware

Weaknesses

CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

Product	Versions
Spring Cloud GatewaySpring	5.0.0 through 5.0.2Affected 4.3.0 through 4.3.5Affected 4.0.0 through 4.2.9Affected 3.1.13 and earlierAffected

References

https://spring.io/security/cve-2026-47879

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