CVE-2025-41235

HIGH
2025-05-30 [email protected]
8.6
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

3
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 28, 2026 - 18:44 vuln.today
CVE Published
May 30, 2025 - 06:15 nvd
HIGH 8.6

Tags

Information Disclosure Request Smuggling Java Spring

Description

Spring Cloud Gateway Server forwards the X-Forwarded-For and Forwarded headers from untrusted proxies.

Analysis

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.

Technical Context

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.

Affected Products

See vendor advisory for affected versions.

Remediation

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.

Priority Score

43
Low Medium High Critical
KEV: 0
EPSS: +0.4
CVSS: +43
POC: 0

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CVE-2025-41235 vulnerability details – vuln.today
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