What is CVE-2026-47879?

CVE-2026-47879 is a high-severity vulnerability in Spring Cloud Gateway, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-08-27.

How severe is CVE-2026-47879?

High severity. CVSS v3 base score is 7.7 out of 10.

SSRF in Spring Cloud Gateway

CVE-2026-47879

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

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.002 (15.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N.

Affected products

Spring Cloud Gateway

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

security@vmware.com

Frequently asked questions

What is CVE-2026-47879?: CVE-2026-47879 is a high-severity vulnerability in Spring Cloud Gateway, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-08-27.
How severe is CVE-2026-47879?: High severity. CVSS v3 base score is 7.7 out of 10.