CVE-2026-16381: Origin Validation Error

Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

CVE-2026-16358: Origin Validation Error

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

Debian dla-4691 : rtpengine - security update

The remote Debian 12 host has packages installed that are affected by a vulnerability as referenced in the dla-4691 advisory. - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4691-1 [email protected] https://www.debian.org/lts/security/...

CVE-2026-46701: Origin Validation Error

Network-AI is a TypeScript/Node.js multi-agent orchestrator. Prior to version 5.4.5, the MCP SSE server defaults to an empty secret process.env'NETWORKAIMCPSECRET' ?? '' at bin/mcp-server.ts:89, which causes isAuthorized lib/mcp-transport-sse.ts:254 to return true unconditionally for every reques...

Improper Origin Validation

MCP Python SDK is vulnerable to Improper Origin Validation. The vulnerability is due to the WebSocket transport accepting handshake requests without validating the Host or Origin headers, which allows an attacker to establish unauthorized cross-origin WebSocket connections...

Origin Validation Error

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Origin Validation Error via the HTTP Canvas response. An attacker can gain unauthorized access to actions requiring higher authorization by submitting crafted requests through configured...

EUVD-2026-44798

MCP Python SDK: WebSocket server transport does not support Host/Origin validation...

Missing Origin Validation in WebSockets

Overview mcp is a Model Context Protocol SDK Affected versions of this package are vulnerable to Missing Origin Validation in WebSockets in the deprecated websocketserver transport function, which builds a Starlette WebSocket and calls acceptsubprotocol='mcp' without inspecting the connection's...

MCP Python SDK: WebSocket server transport does not support Host/Origin validation

Summary In affected versions, the deprecated WebSocket server transport mcp.server.websocket.websocketserver accepted the WebSocket handshake without applying any Host or Origin header validation. The TransportSecuritySettings mechanism that the SSE and Streamable HTTP transports use for this...

GHSA-VJ7Q-GJH5-988W MCP Python SDK: WebSocket server transport does not support Host/Origin validation

Summary In affected versions, the deprecated WebSocket server transport mcp.server.websocket.websocketserver accepted the WebSocket handshake without applying any Host or Origin header validation. The TransportSecuritySettings mechanism that the SSE and Streamable HTTP transports use for this...

CVE-2023-49899 Origin Validation Error in X-Rite MA-T6

An unauthenticated remote attacker can execute any command on the affected device due to not correctly verifying the origin of a communication channel...

CVE-2023-49899

Summary: CVE-2023-49899 affects X-Rite MAT 6 Kohinoor embedded spectrometer software. The root cause is insufficient origin validation/input validation in the communication channel, enabling a remote, unauthenticated attacker to execute commands on the device. Vulnerability details: Affected prod...

CVE-2023-49899 Origin Validation Error in X-Rite MA-T6

An unauthenticated remote attacker can execute any command on the affected device due to not correctly verifying the origin of a communication channel...

CVE-2023-49900 Origin Validation Error in X-Rite MA-T6

An unauthenticated remote attacker is able to perform remote code execution due to incorrectly sanitized user input in the SetParameter command...

CVE-2023-49900 Origin Validation Error in X-Rite MA-T6

An unauthenticated remote attacker is able to perform remote code execution due to incorrectly sanitized user input in the SetParameter command...

CVE-2023-49900

CVE-2023-49900 affects X-Rite MAT 6 Kohinoor embedded spectrophotometer software. The issue is an origin validation error caused by incorrectly sanitized input in the SetParameter command, enabling an unauthenticated remote attacker to achieve remote code execution. The CVSS 3.1 vector is Network...

CVE-2023-49899: Origin Validation Error

An unauthenticated remote attacker can execute any command on the affected device due to not correctly verifying the origin of a communication channel...

CVE-2026-59950

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. Prior to 1.28.1, the deprecated mcp.server.websocket.websocketserver transport accepted WebSocket handshakes without applying Host or Origin header validation, leaving no SDK-level way to restric...

CVE-2026-59950 MCP Python SDK: WebSocket server transport does not support Host/Origin validation

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. Prior to 1.28.1, the deprecated mcp.server.websocket.websocketserver transport accepted WebSocket handshakes without applying Host or Origin header validation, leaving no SDK-level way to restric...

CVE-2026-59950

The MCP Python SDK (package name mcp on PyPI) contains a vulnerability in the deprecated mcp.server.websocket.websocket_server transport prior to version 1.28.1, which accepted WebSocket handshakes without Host or Origin header validation. This prevents restrictions on originating connections to ...