PraisonAI: MCP HTTP-stream transport is unauthenticated by default, exposing tool enumeration and an unvalidated tool-call surface

Summary PraisonAI's MCP HTTP-stream server authenticates requests only when an API key is configured; the CLI defaults --api-key to None, so praisonai mcp serve --transport http-stream exposes the full MCP surface unauthenticated. A request with no Authorization and no Origin can initialize and...

PT-2026-106739

Microsoft UFO is an open-source framework for intelligent automation across devices and platforms. Prior to 3.0.9, the execute command tool in ufo/client/mcp/http servers/linux mcp server.py treats sort and uniq as read-only commands while the free-form command parameter can select their...

CVE-2026-90617

A vulnerability was detected in GH05TCREW PentestAgent up to cf882dabea3ed91cef016cdd115e5426315665a2. This vulnerability affects the function runtask of the file interface/main.py of the component MCP HTTP Server. Performing a manipulation results in os command injection. The attack is possible ...

CVE-2026-90617 GH05TCREW PentestAgent MCP HTTP Server main.py run_task os command injection

A vulnerability was detected in GH05TCREW PentestAgent up to cf882dabea3ed91cef016cdd115e5426315665a2. This vulnerability affects the function runtask of the file interface/main.py of the component MCP HTTP Server. Performing a manipulation results in os command injection. The attack is possible ...

CVE-2026-90617

GH05TCREW PentestAgent contains an os command injection in the MCP HTTP Server component, specifically in the run_task function of interface/main.py . The vulnerability is reachable remotely with no privileges required, allowing an attacker to manipulate input to execute arbitrary OS commands. Im...

EUVD-2026-77176

A vulnerability was detected in GH05TCREW PentestAgent up to cf882dabea3ed91cef016cdd115e5426315665a2. This vulnerability affects the function runtask of the file interface/main.py of the component MCP HTTP Server. Performing a manipulation results in os command injection. The attack is possible ...

CVE-2026-90617 GH05TCREW PentestAgent MCP HTTP Server main.py run_task os command injection

A vulnerability was detected in GH05TCREW PentestAgent up to cf882dabea3ed91cef016cdd115e5426315665a2. This vulnerability affects the function runtask of the file interface/main.py of the component MCP HTTP Server. Performing a manipulation results in os command injection. The attack is possible ...

CVE-2026-90617 GH05TCREW PentestAgent MCP HTTP Server main.py run_task os command injection

A vulnerability was detected in GH05TCREW PentestAgent up to cf882dabea3ed91cef016cdd115e5426315665a2. This vulnerability affects the function runtask of the file interface/main.py of the component MCP HTTP Server. Performing a manipulation results in os command injection. The attack is possible ...

PT-2026-91031

Name of the Vulnerable Software and Affected Versions GH05TCREW PentestAgent versions up to cf882dabea3ed91cef016cdd115e5426315665a2 Description An OS command injection flaw exists in the MCP HTTP Server component within the run task function of the interface/main.py file. This issue allows a...

CVE-2026-90617: Improper Neutralization of Special Elements used in an OS Command

A vulnerability was detected in GH05TCREW PentestAgent up to cf882dabea3ed91cef016cdd115e5426315665a2. This vulnerability affects the function runtask of the file interface/main.py of the component MCP HTTP Server. Performing a manipulation results in os command injection. The attack is possible ...

PraisonAI has an origin validation bypass in MCP HTTP Stream transport that allows browser-mediated unauthenticated tool execution on local MCP server

SummaryPraisonAI's MCP HTTP Stream transport uses an unsafe prefix match when validating the Origin header. The default localhost allowlist includes origins such as http://localhost, and the validation accepts any origin that starts with an allowed value.As a result, an attacker-controlled origin...

PYSEC-2026-3896 PraisonAI has an origin validation bypass in MCP HTTP Stream transport that allows browser-mediated unauthenticated tool execution on local MCP server

Summary PraisonAI's MCP HTTP Stream transport uses an unsafe prefix match when validating the Origin header. The default localhost allowlist includes origins such as http://localhost, and the validation accepts any origin that starts with an allowed value. As a result, an attacker-controlled orig...

CVE-2026-81735

startServer.ts in the mcp-http-server package of UI-TARS-desktop defaulted its listen address to '::' when no host was given, so startSseAndStreamableHttpMcpServer bound the Streamable HTTP and SSE MCP transports to every interface, and its authentication middleware was optional: middlewares are...

EUVD-2026-67078

startServer.ts in the mcp-http-server package of UI-TARS-desktop defaulted its listen address to '::' when no host was given, so startSseAndStreamableHttpMcpServer bound the Streamable HTTP and SSE MCP transports to every interface, and its authentication middleware was optional: middlewares are...

CVE-2026-81735

UI-TARS-desktop (ByteDance) — the mcp-http-server package defaulted its listen address to :: when no host was supplied, binding Streamable HTTP and SSE MCP transports to every network interface. Authentication middleware was optional, and the @agent-infra/mcp-server-commands and @agent-infra/mcp-...

CVE-2026-81735

startServer.ts in the mcp-http-server package of UI-TARS-desktop defaulted its listen address to '::' when no host was given, so startSseAndStreamableHttpMcpServer bound the Streamable HTTP and SSE MCP transports to every interface, and its authentication middleware was optional: middlewares are...

CVE-2026-81099

Timescale's tiger-slack failed to enable the DNS-rebinding-protection option when starting its MCP HTTP transport in mcp/src/httpServer.ts, leaving the host allow-list disabled. This allowed a malicious web page to use DNS rebinding to steer requests to the locally bound Slack MCP server through ...

EUVD-2026-67027

tiger-slack started its MCP HTTP transport without enabling the host allow-list the underlying SDK provides. mcp/src/httpServer.ts called the shared httpServerFactory helper and never set the DNS-rebinding-protection option, so the transport accepted a request whatever host it named, and a page i...

CVE-2026-81099 Timescale tiger-slack DNS Rebinding via Disabled Host Header Allow-List

tiger-slack started its MCP HTTP transport without enabling the host allow-list the underlying SDK provides. mcp/src/httpServer.ts called the shared httpServerFactory helper and never set the DNS-rebinding-protection option, so the transport accepted a request whatever host it named, and a page i...

EUVD-2026-67028

tiger-gh-mcp-server started its MCP HTTP transport without enabling the host allow-list the underlying SDK provides. src/httpServer.ts called the shared httpServerFactory helper and never set the DNS-rebinding-protection option, so the transport accepted a request whatever host it named, making t...