Security Bulletin: MCP Server Configuration Validator Bypass via File Upload API

Summary A validation bypass vulnerability existed in the File Manager API that could allow an authenticated attacker to upload malicious MCP server configurations. The file upload endpoint accepted mcpservers.json files without invoking the MCPServerConfig validator, while the structured MCP API...

OpenClaw: Agent gateway config mutations could change protected operator settings

Affected Packages / Versions - Package: openclaw npm - Affected versions: 2026.4.20 - Patched version: 2026.4.20 Impact The agent-facing gateway config.patch / config.apply guard did not cover several operator-trusted settings, including sandbox policy, plugin enablement, gateway auth/TLS, hook...

CVE-2026-23523: Improper Control of Generation of Code

Dive is an open-source MCP Host Desktop Application that enables integration with function-calling LLMs. Prior to 0.13.0, crafted deeplink can install an attacker-controlled MCP server configuration without sufficient user confirmation and can lead to arbitrary local command execution on the...

CVE-2025-66580

CVE-2025-66580 affects the Dive open-source MCP Host Desktop Application. Versions prior to 0.11.1 contain a critical Stored Cross-Site Scripting (XSS) vulnerability in the Mermaid diagram rendering component that allows execution of arbitrary JavaScript via the javascript: URI. An attacker could...

CVE-2025-66580: Improper Control of Generation of Code

Dive is an open-source MCP Host Desktop Application that enables integration with function-calling LLMs. A critical Stored Cross-Site Scripting XSS vulnerability exists in versions prior to 0.11.1 in the Mermaid diagram rendering component. The application allows the execution of arbitrary...