Medium · published August 27, 2026
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
| Product | Versions | Fixed in |
|---|---|---|
| broadcom/reactor_netty | < 1.0.53 | 1.0.53 |
| broadcom/reactor_netty | ≥ 1.1.0, < 1.2.19 | 1.2.19 |
| broadcom/reactor_netty | ≥ 1.3.0, < 1.3.6.1 | 1.3.6.1 |