Spring
CVE-2025-41235
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V4 - API and Web Service HTTP request consistency
|
| Impact | CVSS score of 8.6 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.39%. |
| Exploit ScenarioDerived | A remote attacker could manipulate HTTP request interpretation between frontend and backend servers by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAIv1 – Mar 28, 2026
Spring Cloud Gateway Server forwards the X-Forwarded-For and Forwarded headers from untrusted proxies. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Enforce strict HTTP parsing, normalize requests at proxy layer, use HTTP/2 end-to-end, reject ambiguous headers.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 2 packages in maven
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as HTTP Request/Response Smuggling (CWE-444), which allows attackers to manipulate HTTP request interpretation between frontend and backend servers. Spring Cloud Gateway Server forwards the X-Forwarded-For and Forwarded headers from untrusted proxies.
Know when Spring gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
Spring Cloud Gateway Server forwards the X-Forwarded-For and Forwarded headers from untrusted proxies.
Executive ViewAI
CVE-2025-41235 presents significant security risk rated CVSS 8.6. Successful exploitation could significantly impact the confidentiality, integrity, or availability of affected systems. Organizations should apply vendor updates when available and consider compensating controls in the interim.
Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
HTTP request smuggling exploits inconsistencies in how front-end and back-end servers parse HTTP message boundaries.
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Spring Cloud Gateway Server Webflux may be vulnerable to Spring Environment property modification. Rated critical severi
Access control bypass in SpringBlade v4.5.0 importUser function allows low-privileged users to import sensitive user dat
Spring Cloud Config Server contains a path traversal vulnerability when using the native file system backend, allowing u
Spring Framework MVC applications can be vulnerable to a “Path Traversal Vulnerability” when deployed on a non-compliant
SpringBlade v4.5.0 has an access control flaw in authRoutes allowing low-privileged users to escalate to admin through t
Remote code execution in Spring for GraphQL versions 1.3.0-1.3.8, 1.4.0-1.4.5, and 2.0.0-2.0.3 allows unauthenticated at
Server-Sent Events (SSE) stream corruption affects Spring MVC applications built on the functional web framework across
Spring AI versions 1.0.0 through 1.0.4 and 1.1.0 through 1.1.3 allow unauthenticated remote code execution through Sprin
Unsafe JSON deserialization in Spring Framework's JMS message converters (MappingJackson2MessageConverter and JacksonJso
Spring Security Aspects may not correctly locate method security annotations on private methods. Rated critical severity
Safety-guard bypass in the Spring Framework SpEL engine (VMware/Broadcom) lets attacker-controlled expression input esca
Directory traversal in Spring Cloud Config server module allows remote unauthenticated attackers to read arbitrary files
GitHub PoC
Exploit-DB