High severity · published Aug 27, 2026
CVE-2026-47879
Spring Cloud Gateway SSRF and native file access with gRPC
8.7
CVSS
0.3%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Spring Cloud Gateway · Spring
5.0.0 through 5.0.2; 4.3.0 through 4.3.5; 4.0.0 through 4.2.9; through 3.1.13 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-47879
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-47879
Vendor Advisory
https://spring.io/security/cve-2026-47879
More from Spring Cloud Gateway
8.6
CVE-2026-47825
Spring Cloud Gateway Server Forwards Headers from Untrusted Proxies in certain situations