CVE-2026-34449 SiYuan: Cross-Origin RCE via Permissive CORS Policy and JavaScript Snippet Injection

SiYuan is a personal knowledge management system. Prior to version 3.6.2, a malicious website can achieve Remote Code Execution RCE on any desktop running SiYuan by exploiting the permissive CORS policy Access-Control-Allow-Origin: + Access-Control-Allow-Private-Network: true to inject a JavaScri...

CVE-2026-34611

WWBN AVideo is an open source video platform. In versions 26.0 and prior, the AVideo endpoint objects/emailAllUsers.json.php allows administrators to send HTML emails to every registered user on the platform. While the endpoint verifies admin session status, it does not validate a CSRF token...

CVE-2026-34613

WWBN AVideo is an open source video platform. In versions 26.0 and prior, the AVideo endpoint objects/pluginSwitch.json.php allows administrators to enable or disable any installed plugin. The endpoint checks for an active admin session but does not validate a CSRF token. Additionally, the plugin...

CVE-2026-34394

WWBN AVideo is an open source video platform. In versions 26.0 and prior, AVideo's admin plugin configuration endpoint admin/save.json.php lacks any CSRF token validation. There is no call to isGlobalTokenValid or verifyToken before processing the request. Combined with the application's explicit...

CVE-2026-34739 AVideo: Reflected XSS via Unescaped ip Parameter in User_Location testIP.php

WWBN AVideo is an open source video platform. In versions 26.0 and prior, the UserLocation plugin's testIP.php page reflects the ip request parameter directly into an HTML input element without applying htmlspecialchars or any other output encoding. This allows an attacker to inject arbitrary HTM...

CVE-2026-34613

WWBN AVideo is an open source video platform. In versions 26.0 and prior, the AVideo endpoint objects/pluginSwitch.json.php allows administrators to enable or disable any installed plugin. The endpoint checks for an active admin session but does not validate a CSRF token. Additionally, the plugin...

EUVD-2026-17630

WWBN AVideo is an open source video platform. In versions 26.0 and prior, AVideo's admin plugin configuration endpoint admin/save.json.php lacks any CSRF token validation. There is no call to isGlobalTokenValid or verifyToken before processing the request. Combined with the application's explicit...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the MCP server insecure CORS configuration and lack of authentication in the MCP interface. An attacker can gain unauthorized control over all active sessions and exfiltrate sensitive data...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the MCP server insecure CORS configuration and lack of authentication in the MCP interface. An attacker can gain unauthorized control over all active sessions and exfiltrate sensitive data...

CVE-2026-30520

A Blind SQL Injection vulnerability exists in SourceCodester Loan Management System v1.0. The vulnerability is located in the ajax.php file specifically the saveloan action. The application fails to properly sanitize user input supplied to the "borrowerid" parameter in a POST request, allowing an...

CVE-2026-0397

A flaw was found in the internal webserver of dnsdist and PowerDNS. When the internal webserver is enabled, a remote attacker can exploit a misconfiguration in the Cross-Origin Resource Sharing CORS policy. By tricking an administrator logged into the dashboard into visiting a malicious website,...

Permissive Cross-domain Policy with Untrusted Domains

Overview Affected versions of this package are vulnerable to Permissive Cross-domain Policy with Untrusted Domains via the CLI MCP server. An attacker can gain unauthorized access to privileged tools by issuing cross-origin requests from a malicious website on the same machine, leveraging the...

CVE-2026-34237

MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to versions 0.83.0, 1.0.1, and 1.1.1, there is a hardcoded wildcard CORS vulnerability. This issue has been patched in versions 0.83.0, 1.0.1, and 1.1.1...

CVE-2026-34237 MCP Java SDK has a Hardcoded Wildcard CORS (Access-Control-Allow-Origin: *)

MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to versions 0.83.0, 1.0.1, and 1.1.1, there is a hardcoded wildcard CORS vulnerability. This issue has been patched in versions 0.83.0, 1.0.1, and 1.1.1...

CVE-2026-34237

CVE-2026-34237 affects MCP Java SDK. A hardcoded wildcard CORS configuration (Access-Control-Allow-Origin: *) existed in versions before 0.83.0, 1.0.1, and 1.1.1, allowing cross-origin requests to server endpoints (including SSE paths). The issue has been patched in those versions (0.83.0, 1.0.1,...

CVE-2026-34237 MCP Java SDK has a Hardcoded Wildcard CORS (Access-Control-Allow-Origin: *)

MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to versions 0.83.0, 1.0.1, and 1.1.1, there is a hardcoded wildcard CORS vulnerability. This issue has been patched in versions 0.83.0, 1.0.1, and 1.1.1...

CVE-2026-34227 Sliver One-Click Remote Access: Insecure CORS & Unauthenticated MCP Interface

Sliver is a command and control framework that uses a custom Wireguard netstack. Prior to version 1.7.4, a single click on a malicious link gives an unauthenticated attacker immediate, silent control over every active C2 session or beacon, capable of exfiltrating all collected target data e.g. SS...

CVE-2026-34227

Sliver is an open-source C2 framework using a custom WireGuard netstack. Technical details in connected docs show a vulnerability in versions prior to 1.7.4 where a single click on a malicious link can grant an unauthenticated attacker immediate, silent control over active C2 sessions or beacons,...

CVE-2026-34373

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.66 and 9.7.0-alpha.10, the GraphQL API endpoint does not respect the allowOrigin server option and unconditionally allows cross-origin requests from any website. This...

CVE-2026-34200

Nhost is an open source Firebase alternative with GraphQL. Prior to version 1.41.0, The Nhost CLI MCP server, when explicitly configured to listen on a network port, applies no inbound authentication and does not enforce strict CORS. This allows a malicious website visited on the same machine to...