CVE-2023-34054

CVE-2023-34054 affects the Reactor Netty HTTP Server. In versions 1.1.x prior to 1.1.13 and 1.0.x prior to 1.0.39, a user can send specially crafted HTTP requests that may cause a denial-of-service (DoS) if the Reactor Netty HTTP Server is used with Micrometer integration enabled. The available c...

CVE-2026-47843

CVE-2026-47843 affects Reactor Netty (versions 1.3.0–1.3.6, 1.1.0–1.2.18, and 1.0.52 and earlier). In specific scenarios involving multiple clients with different DNS resolver configurations, Reactor Netty may incorrectly reuse a previously configured DNS resolver, potentially causing traffic to ...

CVE-2026-47845

Reactor Netty HTTP Server may incorrectly evaluate the remote IP address in specific scenarios when the HAProxy Protocol is enabled, allowing a client to spoof the reported source address. Affected versions are 1.3.0–1.3.6 , 1.1.0–1.2.18 , and 1.0.52 and earlier . The vulnerability is rated CVSS ...

CVE-2026-47844

Reactor Netty HTTP Server may leak exception details across unrelated requests when the server is configured with Brave Tracing . Affected versions are 1.3.0–1.3.6 , 1.1.0–1.2.18 , and 1.0.52 and earlier . The CVSS 3.1 score is 5.3 (Medium) , with low integrity impact and no confidentiality or av...

CVE-2026-47848

CVE-2026-47848 affects the Reactor Netty WebSocket client (versions 1.0.52 and earlier , 1.1.0–1.2.18 , and 1.3.0–1.3.6 ). In specific scenarios where a WebSocket handshake is redirected to a different origin , the client may leak credentials to the redirected origin. The condition requires the H...