CVE-2026-47825: CWE-346: Origin Validation Error in Spring Spring Cloud Gateway
CVE-2026-47825 is a high-severity vulnerability in Spring Cloud Gateway where the server forwards X-Forwarded-For and Forwarded headers from untrusted proxies in certain configurations. This affects multiple versions across the 3.1.x, 4.1.x, 4.2.x, 4.3.x, and 5.0.x branches. The issue relates to origin validation errors (CWE-346) and can lead to integrity impacts without confidentiality or availability loss. Fixed versions are available for each affected branch.
AI Analysis
Technical Summary
Spring Cloud Gateway Server improperly forwards the X-Forwarded-For and Forwarded HTTP headers from untrusted proxies under certain configuration scenarios. This origin validation error (CWE-346) affects both WebMVC and WebFlux Gateway Servers. The vulnerability is present in versions 3.1.0, 4.1.0, 4.2.0, 4.3.0, and 5.0.0, with fixes released in 3.1.13, 4.1.13, 4.2.9, 4.3.5, and 5.0.2 respectively. The CVSS 3.1 score is 8.6 (high), indicating network attack vector, low attack complexity, no privileges required, no user interaction, and a scope change with integrity impact only.
Potential Impact
The vulnerability allows an attacker to manipulate the X-Forwarded-For and Forwarded headers from untrusted proxies, potentially compromising the integrity of request origin information processed by the gateway. This could lead to incorrect routing or security decisions based on forged header data. There is no direct confidentiality or availability impact reported.
Mitigation Recommendations
Fixes are available in Spring Cloud Gateway versions 3.1.13, 4.1.13, 4.2.9, 4.3.5, and 5.0.2. Users should upgrade to these fixed versions to remediate the vulnerability. Patch status is not explicitly stated as 'official-fix' in the vendor advisory, but the presence of fixed versions indicates official remediation. No additional vendor advisory content is provided, so check the vendor's official resources for confirmation and detailed upgrade instructions.
CVE-2026-47825: CWE-346: Origin Validation Error in Spring Spring Cloud Gateway
Description
CVE-2026-47825 is a high-severity vulnerability in Spring Cloud Gateway where the server forwards X-Forwarded-For and Forwarded headers from untrusted proxies in certain configurations. This affects multiple versions across the 3.1.x, 4.1.x, 4.2.x, 4.3.x, and 5.0.x branches. The issue relates to origin validation errors (CWE-346) and can lead to integrity impacts without confidentiality or availability loss. Fixed versions are available for each affected branch.
CVSS v3.1
Score 8.6high
Affected software
pkg:maven/org.springframework.cloud/spring-cloud-gatewayRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Spring Cloud Gateway Server improperly forwards the X-Forwarded-For and Forwarded HTTP headers from untrusted proxies under certain configuration scenarios. This origin validation error (CWE-346) affects both WebMVC and WebFlux Gateway Servers. The vulnerability is present in versions 3.1.0, 4.1.0, 4.2.0, 4.3.0, and 5.0.0, with fixes released in 3.1.13, 4.1.13, 4.2.9, 4.3.5, and 5.0.2 respectively. The CVSS 3.1 score is 8.6 (high), indicating network attack vector, low attack complexity, no privileges required, no user interaction, and a scope change with integrity impact only.
Potential Impact
The vulnerability allows an attacker to manipulate the X-Forwarded-For and Forwarded headers from untrusted proxies, potentially compromising the integrity of request origin information processed by the gateway. This could lead to incorrect routing or security decisions based on forged header data. There is no direct confidentiality or availability impact reported.
Mitigation Recommendations
Fixes are available in Spring Cloud Gateway versions 3.1.13, 4.1.13, 4.2.9, 4.3.5, and 5.0.2. Users should upgrade to these fixed versions to remediate the vulnerability. Patch status is not explicitly stated as 'official-fix' in the vendor advisory, but the presence of fixed versions indicates official remediation. No additional vendor advisory content is provided, so check the vendor's official resources for confirmation and detailed upgrade instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- vmware
- Date Reserved
- 2026-05-20T10:00:48.930Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3061600b89be688893d821
Added to database: 6/15/2026, 8:32:32 PM
Last enriched: 6/15/2026, 9:15:56 PM
Last updated: 6/16/2026, 6:08:43 AM
Views: 7
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