Spring Cloud Gateway Server Forwards Headers from Untrusted Proxies in certain situations
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-346.
Summary
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).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| VMware | Spring Cloud Gateway | 3.1.0 to before 3.1.13; 4.1.0 to before 4.1.13; 4.2.0 to before 4.2.9; 4.3.0 to before 4.3.4.1; 5.0.0 to before 5.0.1.1 | 3.1.13, 4.1.13, 4.2.9, 4.3.4.1, 5.0.1.1 | Patch available | CNA |
- Spring Cloud Gateway VendorVMware Affected 3.1.0 to before 3.1.13; 4.1.0 to before 4.1.13; 4.2.0 to before 4.2.9; 4.3.0 to before 4.3.4.1; 5.0.0 to before 5.0.1.1 Fixed in 3.1.13, 4.1.13, 4.2.9, 4.3.4.1, 5.0.1.1 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vmware:spring_cloud_gateway:*:*:*:*:*:*:*:* | up to 3.1.10; 4.0.0 to before 4.1.13; 4.2.0 to before 4.2.9; 4.3.0 to before 4.3.4.1; 5.0.0 to before 5.0.1.1 | Vulnerable | VMware |
- cpe:2.3:a:vmware:spring_cloud_gateway:*:*:*:*:*:*:*:* Versions up to 3.1.10; 4.0.0 to before 4.1.13; 4.2.0 to before 4.2.9; 4.3.0 to before 4.3.4.1; 5.0.0 to before 5.0.1.1 Vulnerable ·VMware
Remediation
- Fix · CNA Spring Cloud Gateway (Spring) Fixed in 3.1.13, 4.1.13, 4.2.9, 4.3.4.1, 5.0.1.1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 1 product
- Red Hat JBoss Enterprise Application Platform Expansion Pack
Timeline
- 2026-10-02 Threatist record created from CVE-2026-47825
- 2026-10-03 Alias added: GHSA-hf28-w9wf-5x8m
References
More VMware Spring Cloud Gateway vulnerabilities
- TI-2022-07125 Code injection in Spring Cloud Gateway KEVCVSS 3.1CRITICAL 10.0
- TI-2026-35327 Spring Cloud Gateway SSRF and native file access with gRPC CVSS 3.1HIGH 8.7
- TI-2026-18273 SSL bundle configuration silently bypassed in Spring Cloud Gateway CVSS 3.1HIGH 7.5
- TI-2022-07124 Improper certificate validation in Spring Cloud Gateway CVSS 3.1MEDIUM 5.5
- TI-2021-05091 Incorrect authorization in Spring Cloud Gateway CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-47825 · CVE Program
- CVE-2026-47825 · NVD
- FIRST EPSS
- GHSA-hf28-w9wf-5x8m · GitHub Advisory Database · CC BY 4.0
- CVE-2026-47825 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences