CVE-2026-128129

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, aiohttp buffers all additional connection data received while a request marked for upgrade, such as a WebSocket handshake, is being handled, without a size limit or flow control. A remote attacker can...

CVE-2026-128129

The AIOHTTP asynchronous HTTP client/server framework for Python is vulnerable to unbounded memory consumption in versions prior to 3.14.4 . The root cause is that the framework buffers additional connection data during an upgrade request (such as a WebSocket handshake) without implementing a siz...

CVE-2026-128129 AIOHTTP: Unbounded buffering of data received during an upgrade request

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, aiohttp buffers all additional connection data received while a request marked for upgrade, such as a WebSocket handshake, is being handled, without a size limit or flow control. A remote attacker can...

CVE-2025-68930

🔍 Analysis of CVE-2025-68930: WebSocket Hijacking Vulnerability in Traccar The CVE-2025-68930 exposes a critical Cross-Site WebSocket Hijacking CSWSH vulnerability in Traccar , the open-source GPS tracking system. Below are the key details: 🛡️ Vulnerability Details Affected endpoint : /api/socket...

PT-2026-147168

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, aiohttp buffers all additional connection data received while a request marked for upgrade, such as a WebSocket handshake, is being handled, without a size limit or flow control. A remote attacker can...

PT-2026-132934

Security vulnerability affects the trino package. In specific scenarios involving WebSocket handshake redirects to a different origin, the Reactor Netty WebSocket client may leak credentials...

CLEANSTART-2026-HS68048 In specific scenarios involving WebSocket handshake redirects to a different origin, the Reactor Netty WebSocket client may leak credentials

Security vulnerability affects the elasticsearch package. In specific scenarios involving WebSocket handshake redirects to a different origin, the Reactor Netty WebSocket client may leak credentials...

Insufficient Verification of Data Authenticity

Overview org.asynchttpclient:async-http-client is a maven plugin for the Async Http Client AHC classes. Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity in the WebSocket handshake process. An attacker can cause unauthorized frames to be decoded an...

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-2026-104380

Punk versions from 0.48 before 0.55 for Perl route Extended CONNECT requests to any GET route without an Origin check in psserveone. On HTTP/2 and HTTP/3 a WebSocket handshake arrives as an Extended CONNECT, which is matched as a GET and so reaches every GET route, API operation and mount. The...

CVE-2026-104380

Punk versions 0.48 before 0.55 are vulnerable to a missing Origin validation in the ps_serve_one function during Perl route Extended CONNECT requests. On HTTP/2 and HTTP/3 , a WebSocket handshake is treated as an Extended CONNECT and matched as a GET request. Because the Origin check only trigger...

CVE-2026-104380 Punk versions from 0.48 before 0.55 for Perl route Extended CONNECT requests to any GET route without an Origin check in ps_serve_one

Punk versions from 0.48 before 0.55 for Perl route Extended CONNECT requests to any GET route without an Origin check in psserveone. On HTTP/2 and HTTP/3 a WebSocket handshake arrives as an Extended CONNECT, which is matched as a GET and so reaches every GET route, API operation and mount. The...

Rocky Linux 8 [CIQ] Security Update: hivex / hivex-debuginfo / hivex-debugsource / hivex-devel / etc (crlsa-2026_5578)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20265578 advisory. qemu-kvm: VNC WebSocket handshake use-after-free CVE-2025-11234 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note...

Rocky Linux 10.1 [CIQ] Security Update: qemu-guest-agent / qemu-guest-agent-debuginfo / qemu-img / etc (crlsa-2026_1831)

The Rocky Linux 10.1 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20261831 advisory. qemu-kvm: VNC WebSocket handshake use-after-free CVE-2025-11234 Tenable has extracted the preceding description block directly from the CIQ security advisory. No...

Rocky Linux 9 [CIQ] Security Update: qemu-guest-agent / qemu-guest-agent-debuginfo / qemu-img / etc (crlsa-2026_18772)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202618772 advisory. qemu-kvm: VNC WebSocket handshake use-after-free CVE-2025-11234 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note...

CLEANSTART-2026-DT37851 In specific scenarios involving WebSocket handshake redirects to a different origin, the Reactor Netty WebSocket client may leak credentials

Security vulnerability affects the elasticsearch package. In specific scenarios involving WebSocket handshake redirects to a different origin, the Reactor Netty WebSocket client may leak credentials...

PT-2026-108385

Security vulnerability affects the elasticsearch package. In specific scenarios involving WebSocket handshake redirects to a different origin, the Reactor Netty WebSocket client may leak credentials...

CVE-2026-50608

A vulnerability has been identified in the Acer System Monitoring component included with NitroSense and PredatorSense. The WebSocket handshake process does not properly require authentication before allowing connections to the service. Under certain circumstances, unauthorized access to service...

EUVD-2026-81399

A vulnerability has been identified in the Acer System Monitoring component included with NitroSense and PredatorSense. The WebSocket handshake process does not properly require authentication before allowing connections to the service. Under certain circumstances, unauthorized access to service...

CVE-2026-50608 Authentication Vulnerability in NitroSense and PredatorSense Software

A vulnerability has been identified in the Acer System Monitoring component included with NitroSense and PredatorSense. The WebSocket handshake process does not properly require authentication before allowing connections to the service. Under certain circumstances, unauthorized access to service...