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High severity · published Jun 15, 2026
CVE-2026-47825
Spring Cloud Gateway Server Forwards Headers from Untrusted Proxies in certain situations
8.6
CVSS
0.2%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Spring Cloud Gateway · Spring
3.1.0 before 3.1.13; 4.1.0 before 4.1.13; 4.2.0 before 4.2.9; 4.3.0 before 4.3.4.1; 5.0.0 before 5.0.1.1 · source: vendor, NVD
Affected product
SC
Spring Cloud Gateway
Spring
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-47825
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-47825
Vendor Advisory
https://spring.io/security/cve-2026-47825
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