CVE-2026-47848

In specific scenarios involving WebSocket handshake redirects to a different origin, the Reactor Netty WebSocket client may leak credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://spring.io/security/cve-2026-47848	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:broadcom:reactor_netty::::::::
	cpe:2.3:a:broadcom:reactor_netty::::::::
	cpe:2.3:a:broadcom:reactor_netty::::::::

History

No history.

Information

Published : 2026-08-26 20:17

Updated : 2026-09-04 19:09

NVD link : CVE-2026-47848

Mitre link : CVE-2026-47848

CVE.ORG link : CVE-2026-47848

JSON object : View

Products Affected

broadcom

reactor_netty

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

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