PatchTheCVE: reactor nettyhttps://patchthecve.com/CVEs with upgrade or downgrade fix stepsCVE-2026-47874: The vulnerability occurs when a client sends HTTP/1.1 pipelined requests over a single connection, causing thehttps://patchthecve.com/cve/CVE-2026-47874.htmlhttps://patchthecve.com/cve/CVE-2026-47874.htmlWed, 02 Sep 2026 15:50:42 +0000MEDIUM 5.3: The vulnerability occurs when a client sends HTTP/1.1 pipelined requests over a single connection, causing the Reactor Netty HTTP server to consume an excessive amount of memory. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlierCVE-2026-47845: In specific scenarios, Reactor Netty HTTP Server may incorrectly evaluate the remote IP address when HAProxy Phttps://patchthecve.com/cve/CVE-2026-47845.htmlhttps://patchthecve.com/cve/CVE-2026-47845.htmlFri, 04 Sep 2026 19:06:58 +0000MEDIUM 5.3: In specific scenarios, Reactor Netty HTTP Server may incorrectly evaluate the remote IP address when HAProxy Protocol is enabled. In order for this to happen, the application must be configured to use HAProxy Protocol. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 andCVE-2026-47848: In specific scenarios involving WebSocket handshake redirects to a different origin, the Reactor Netty WebSockhttps://patchthecve.com/cve/CVE-2026-47848.htmlhttps://patchthecve.com/cve/CVE-2026-47848.htmlFri, 04 Sep 2026 19:09:14 +0000MEDIUM 6.1: 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 - 1.2.1CVE-2026-47844: In specific scenarios, the Reactor Netty HTTP Server may leak exception details across unrelated requestshttps://patchthecve.com/cve/CVE-2026-47844.htmlhttps://patchthecve.com/cve/CVE-2026-47844.htmlFri, 04 Sep 2026 19:10:33 +0000MEDIUM 5.3: In specific scenarios, the Reactor Netty HTTP Server may leak exception details across unrelated requests. In order for this to happen, the server must be configured with Brave Tracing. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlierCVE-2026-47843: In specific scenarios involving multiple clients with different DNS resolver configurations, Reactor Netty mayhttps://patchthecve.com/cve/CVE-2026-47843.htmlhttps://patchthecve.com/cve/CVE-2026-47843.htmlFri, 04 Sep 2026 19:11:22 +0000LOW 3.7: In specific scenarios involving multiple clients with different DNS resolver configurations, Reactor Netty may incorrectly reuse a previously configured DNS resolver. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier