JLSEC-2026-614 WebSocket default Origin check ignores scheme and port in HTTP.jl

Description The default WebSocket Origin validator originalloweddefault only enforced the host component of the same-origin tuple. It never checked the Origin's scheme, and when the request Host header carried no explicit port the norm for default-port 80/443 servers, where browsers omit the port...

CVE-2026-54007: Origin Validation Error

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the chat message listener allows non-same-origin input:prompt and action:submit messages, so an external site can set prompt text and trigger submitPrompt in an authenticated victim...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error in the processing of HTTP request headers, specifically X-ProxyHost and X-Forwarded-Host. An attacker can manipulate the construction of qualified URLs for redirection or data references by supplying crafted valu...

Understanding the Stealthy BGP Hijacking Risk in the ROV Era

The partial deployment of Route Origin Validation ROV poses an unexpected security threat known as stealthy BGP hijacking, i.e., a particularly elusive form of BGP hijacking where malicious routes divert traffic without reaching and thus alerting the victims. This risk remains largely unexplored,...

CVE-2026-54665: Origin Validation Error

Apache NiFi 0.0.1 through 2.9.0 support building qualified URLs from one of several HTTP request headers that provide an alternative to the standard Host header without validating the values provided. Apache NiFi 1.6.0 introduced a configurable application property to restrict values provided in...

GHSA-869J-R97X-HX2G Anki's local HTTP server does not sufficiently validate requests

Summary Anki launches a local HTTP server to serve media files and web pages for parts of its interface. While the server has a CORS setup, requests from other origins were not blocked, allowing malicious websites to potentially trigger side-effecting requests. Browser impact The severity varies ...

Anki's local HTTP server does not sufficiently validate requests

Summary Anki launches a local HTTP server to serve media files and web pages for parts of its interface. While the server has a CORS setup, requests from other origins were not blocked, allowing malicious websites to potentially trigger side-effecting requests. Browser impact The severity varies ...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error via insufficient validation of the Origin header and improper handling of request paths in the local HTTP server. An attacker can access and exfiltrate arbitrary local files by sending crafted requests from a...

Uni-CLI: Legacy HTTP MCP transport accepted browser-originated localhost requests

Impact Uni-CLI versions before 0.225.2 exposed the legacy JSON-RPC-over-HTTP MCP transport on loopback without validating browser Origin headers before routing requests. A malicious web page could send a CORS simple POST request, such as text/plain, to the local /mcp endpoint and deliver a JSON-R...

GHSA-V3F4-W7R7-V3HM Uni-CLI: Legacy HTTP MCP transport accepted browser-originated localhost requests

Impact Uni-CLI versions before 0.225.2 exposed the legacy JSON-RPC-over-HTTP MCP transport on loopback without validating browser Origin headers before routing requests. A malicious web page could send a CORS simple POST request, such as text/plain, to the local /mcp endpoint and deliver a JSON-R...

Origin Validation Error

Overview dbt-mcp is an A MCP Model Context Protocol server for interacting with dbt resources. Affected versions of this package are vulnerable to Origin Validation Error in the GET /dbtplatformcontext endpoint, which is exposed without authentication or host-origin validation. An attacker can...

Origin Validation Error

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Origin Validation Error via the actionResourceJs process. An attacker can execute arbitrary JavaScript in the context of an administrator's browser and potentially achieve remote code executi...

Insecure Default Initialization of Resource

Overview kozou is a Kozou CLI: scaffolding, schema introspection, and MCP server entry points. Affected versions of this package are vulnerable to Insecure Default Initialization of Resource due to insufficient validation of the Host and Origin headers in the MCP HTTP server, unbounded request-bo...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error in the SetCookie::validate function due to the improper normalization of Domain attribute for shared CookieJar instances. An attacker can access resources or data from a different origin by setting a shared cooki...

PT-2026-53769

Summary Anki launches a local HTTP server to serve media files and web pages for parts of its interface. The server fails to validate requests in the following ways: 1. No sufficient validation of the Origin header. 2. Some endpoints are vulnerable to path traversal attacks. This allows malicious...

PraisonAI: MCP SSE transport binds 0.0.0.0 with no authentication and no Origin validation; bundled SecurityConfig is never wired in

The MCP SSE server started via ToolsMCPServer.runsse / launchtoolsmcpservertransport="sse" binds to 0.0.0.0 by default and builds its Starlette application with no authentication middleware and no Origin-header validation. The module mcp/mcpsecurity.py provides exactly the needed controls origin...

GHSA-X227-PF99-VFFG PraisonAI: MCP SSE transport binds 0.0.0.0 with no authentication and no Origin validation; bundled SecurityConfig is never wired in

The MCP SSE server started via ToolsMCPServer.runsse / launchtoolsmcpservertransport="sse" binds to 0.0.0.0 by default and builds its Starlette application with no authentication middleware and no Origin-header validation. The module mcp/mcpsecurity.py provides exactly the needed controls origin...

GHSA-VMF9-XX9W-86WX PraisonAI ToolsMCPServer legacy SSE transport accepts attacker Host/Origin and exposes registered tools

PraisonAI ToolsMCPServer legacy SSE transport accepts attacker Host/Origin and exposes registered tools Summary praisonaiagents.mcp.ToolsMCPServer.runsse builds a Starlette MCP HTTP+SSE server around mcp.server.sse.SseServerTransport. The server exposes /sse and /messages/, but it does not valida...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error in the JWT validation process. An attacker can gain unauthorized access by presenting a validly signed token from a trusted issuer, originally intended for a different service, to the authentication system. This ...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error in the JWT validation process. An attacker can gain unauthorized access by presenting a validly signed token from a trusted issuer, originally intended for a different service, to the authentication system. This ...