Missing Authentication for Critical Function

Overview @n8n/mcp-browser is a Browser automation MCP tools built on Playwright, WebDriver BiDi, and safaridriver Affected versions of this package are vulnerable to Missing Authentication for Critical Function through the MCP server’s HTTP request handling. An attacker can take over a user’s...

@n8n/computer-use (>=0.2.0, <=0.9.0), @n8n/fs-proxy (>=0.1.0-rc1, <=0.1.0) potentially affected by CVE-2026-54309 via @n8n/mcp-browser (>=0.1.0, <=0.8.0)

@n8n/mcp-browser NPM version =0.1.0, =0.2.0, =0.1.0-rc1, =0.1.0 Source cves: CVE-2026-54309 Source advisory: SNYK:JS-N8NMCPBROWSER-17753475...

@n8n/computer-use (0.10.0) potentially affected by CVE-2026-54309 via @n8n/mcp-browser (0.9.0)

@n8n/mcp-browser NPM version 0.9.0 is affected by a known vulnerability. The following packages have a transitive dependency on @n8n/mcp-browser and may be impacted: - @n8n/computer-use 0.10.0 Source cves: CVE-2026-54309 Source advisory: SNYK:JS-N8NMCPBROWSER-17753475...

CVE-2026-54309

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP transport mode, the MCP endpoint accepts session initialization and tool invocation requests without any authentication. Any network-reachable client, or any website visited by the...

EUVD-2026-38468

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP transport mode, the MCP endpoint accepts session initialization and tool invocation requests without any authentication. Any network-reachable client, or any website visited by the...

CVE-2026-54309 n8n: n8n MCP Browser HTTP Transport Exposes Unauthenticated Browser-Control Sessions

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP transport mode, the MCP endpoint accepts session initialization and tool invocation requests without any authentication. Any network-reachable client, or any website visited by the...

CVE-2026-54309: Missing Authentication for Critical Function

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP transport mode, the MCP endpoint accepts session initialization and tool invocation requests without any authentication. Any network-reachable client, or any website visited by the...

NPM: n8n: MCP Browser HTTP Transport Exposes Unauthenticated Browser-Control Sessions

NPM: n8n: MCP Browser HTTP Transport Exposes Unauthenticated Browser-Control Sessions vulnerability discovered by ? in WordPress Npm n8n versions 2.25.7...

GHSA-QRX8-25QR-5R7V n8n: MCP Browser HTTP Transport Exposes Unauthenticated Browser-Control Sessions

Impact When @n8n/mcp-browser is run in HTTP transport mode, the MCP endpoint accepts session initialization and tool invocation requests without any authentication. Any network-reachable client, or any website visited by the user, can establish an MCP session and invoke browser-control tools. Whe...

PT-2026-50175

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.25.7 n8n versions prior to 2.26.2 Description When @n8n/mcp-browser is operated in HTTP transport mode using the --transport http flag, the MCP endpoint allows session initialization and tool invocation requests without...

EUVD-2026-19144

A security vulnerability has been detected in imprvhub mcp-browser-agent up to 0.8.0. This impacts the function CallToolRequestSchema of the file src/handlers.ts of the component URL Parameter Handler. The manipulation of the argument request.params.name/request.params.arguments leads to...

CVE-2026-5607

A security vulnerability has been detected in imprvhub mcp-browser-agent up to 0.8.0. This impacts the function CallToolRequestSchema of the file src/handlers.ts of the component URL Parameter Handler. The manipulation of the argument request.params.name/request.params.arguments leads to...

CVE-2026-5607

A security vulnerability has been detected in imprvhub mcp-browser-agent up to 0.8.0. This impacts the function CallToolRequestSchema of the file src/handlers.ts of the component URL Parameter Handler. The manipulation of the argument request.params.name/request.params.arguments leads to...

CVE-2026-5607

CVE-2026-5607 affects imprvhub mcp-browser-agent up to 0.8.0. The vulnerability resides in URL Parameter Handler’s CallToolRequestSchema within src/handlers.ts where manipulating request.params.name/request.params.arguments enables server-side request forgery. Public exploit disclosure and remote...

CVE-2026-5607: Server-Side Request Forgery (SSRF)

A security vulnerability has been detected in imprvhub mcp-browser-agent up to 0.8.0. This impacts the function CallToolRequestSchema of the file src/handlers.ts of the component URL Parameter Handler. The manipulation of the argument request.params.name/request.params.arguments leads to...

PT-2026-30515

A security vulnerability has been detected in imprvhub mcp-browser-agent up to 0.8.0. This impacts the function CallToolRequestSchema of the file src/handlers.ts of the component URL Parameter Handler. The manipulation of the argument request.params.name/request.params.arguments leads to...