Server-side Request Forgery (SSRF) Affecting org.springframework.cloud:spring-cloud-gateway-server package, versions [,5.0.3)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published26 Aug 2026
- disclosed20 Aug 2026
- credit@thesecguy45
Introduced: 20 Aug 2026
NewCVE-2026-47879 (opens in a new tab)How to fix?
Upgrade org.springframework.cloud:spring-cloud-gateway-server to version 5.0.3 or higher.
Overview
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the JsonToGrpcGatewayFilterFactory process, which permits arbitrary Spring Resource locations to be specified for proto descriptor definitions. An attacker can access internal files or perform unauthorized network requests by supplying crafted resource locations.