## cve-2026-47848 - MEDIUM - Reactor Netty WebSocket Client Leaks Credentials On Redirect

- 種別: advisory
- 関連技術: spring, java
- CVE: CVE-2026-47848
- 公開日時: 2026-08-20T00:00:00.000Z
- 情報源: Spring Security Advisories (https://spring.io/security/cve-2026-47848)
- パーマリンク: https://vulnpulse.app/items/spring-security-f9c65b23c1db

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.