DEBIAN-CVE-2026-107284

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Prior to 3.0.12 and 2.16.1, WebSocketHandler.upgrade aborts a handshake whose Sec-WebSocket-Accept value is missing or invalid but continues into pipeline installati...

CVE-2026-107284 AsyncHttpClient: WebSocket handshake continues after a failed Sec-WebSocket-Accept check

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Prior to 3.0.12 and 2.16.1, WebSocketHandler.upgrade aborts a handshake whose Sec-WebSocket-Accept value is missing or invalid but continues into pipeline installati...

CVE-2026-107284

The AsyncHttpClient (AHC) library for Java applications contains a vulnerability where WebSocketHandler.upgrade fails to properly terminate a handshake when the Sec-WebSocket-Accept value is missing or invalid. While the handshake is technically aborted, the library continues into pipeline instal...

CVE-2026-107284 AsyncHttpClient: WebSocket handshake continues after a failed Sec-WebSocket-Accept check

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Prior to 3.0.12 and 2.16.1, WebSocketHandler.upgrade aborts a handshake whose Sec-WebSocket-Accept value is missing or invalid but continues into pipeline installati...

EUVD-2026-94644

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Prior to 3.0.12 and 2.16.1, WebSocketHandler.upgrade aborts a handshake whose Sec-WebSocket-Accept value is missing or invalid but continues into pipeline installati...

PT-2026-107713

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Prior to 3.0.12 and 2.16.1, WebSocketHandler.upgrade aborts a handshake whose Sec-WebSocket-Accept value is missing or invalid but continues into pipeline installati...

curl: libcurl WebSocket handshake accepts any Sec-WebSocket-Accept

Summary: libcurl upgrades to WebSocket without validating Sec-WebSocket-Accept, allowing a spoofed 101 response to complete the handshake and inject frames; AI assistance was used to draft this report. Steps to Reproduce: 1. Clone and build curl from source: git clone --depth=1...