VULNERABILITY INTELLIGENCE

CVE-2026-47848

CVSS score6.1 MEDIUM
EPSS probability0.26%
CISA KEVNot currently listed
Published2026-08-26
Last modified2026-09-04
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

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

Weakness classification

  • CWE-601: URL Redirection to Untrusted Site ('Open Redirect')

Primary references