MCP-Inspector-CVE-2025-49596

MCP Inspector CVE-2025-49596 Vulnerability Checker This script checks if an MCP Inspector server is vulnerable to CVE-2025-49596, a security issue where the /sse endpoint responds to unauthenticated requests missing auth token. How It Works The script sends a GET request to the /sse endpoint of t...

Langflow AI Authentication Bypass

Langflow versions 1.5.0 through 1.11.4 allow unauthenticated connections to the MCP SSE endpoint, allowing attackers to initialize MCP sessions and retrieve privileged MCP-related information. The MCP information collected from this module is stored in Metasploit loot as a JSON document. Module...

CVE-2026-57128

PraisonAI (praisonaiagents

CVE-2026-57128 PraisonAI: Unauthenticated Event Injection via SSE `/publish` Endpoint

PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.58, the SSE server in src/praisonai-agents/praisonaiagents/server/server.py does not consult ServerConfig.authtoken before handling /publish, /events, or /info requests. A network client that can reach the server can broadcast...

CVE-2026-57128 PraisonAI: Unauthenticated Event Injection via SSE `/publish` Endpoint

PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.58, the SSE server in src/praisonai-agents/praisonaiagents/server/server.py does not consult ServerConfig.authtoken before handling /publish, /events, or /info requests. A network client that can reach the server can broadcast...

CVE-2026-45019 Chainlit: SSRF via MCP SSE and streamable-http transports allows unauthenticated internal network access

Chainlit is a Python framework for building production-ready conversational AI applications. From 2.4.0rc0 until 2.12.0, Chainlit deployments with features.mcp.enabled set to true in .chainlit/config.toml expose the POST /mcp endpoint without requiring authentication. For sse and streamable-http...

PT-2026-71083

An authorization bypass vulnerability in Vulnerability-Lookup allowed inactive or unconfirmed accounts to subscribe to Server-Sent Events SSE streams through the /pubsub/subscribe/ endpoint. The token required decorator used by the Pub/Sub interface authenticated requests solely by matching the...

CVE-2026-63732

9router 0.4.59 fixed in 0.4.60 contains a chain of vulnerabilities: a hardcoded default password 123456 that authenticates any fresh installation, a bypass of the LOCALONLY network gate via a spoofed Host header, and unvalidated arguments passed to childprocess.spawn when registering MCP plugins....

CVE-2026-56280

Cap-go before 12.128.2 contains a privilege inversion vulnerability in GET /build/logs/:jobId that allows read-only API key holders to cancel running native builds. The endpoint registers an abort listener on the SSE stream that unconditionally invokes cancelBuildOnDisconnect using the privileged...

PT-2026-61777

Name of the Vulnerable Software and Affected Versions praisonai-agents affected versions not specified Description The MCP SSE server, when started via ToolsMCPServer.run sse or launch tools mcp servertransport="sse", binds to 0.0.0.0 by default and lacks authentication middleware and Origin-head...

CVE-2026-30968

Coral Server is open collaboration infrastructure that enables communication, coordination, trust and payments for The Internet of Agents. Prior to 1.1.0, the SSE endpoint /sse/v1/... in Coral Server did not strongly validate that a connecting agent was a legitimate participant in the session. Th...

CVE-2025-6515

The MCP SSE endpoint in oatpp-mcp returns an instance pointer as the session ID, which is not unique nor cryptographically secure. This allows network attackers with access to the oatpp-mcp server to guess future session IDs and hijack legitimate client MCP sessions, returning malicious responses...

Oatpp-mcp security feature vulnerability

oatpp-mcp is an Oat++ open source implementation of the Model Context Protocol. A security signature issue vulnerability exists in oatpp-mcp that stems from an MCP SSE endpoint returning an instance pointer as a session ID, which could lead to a session hijacking attack...

CVE-2025-6515: Use of Insufficiently Random Values

The MCP SSE endpoint in oatpp-mcp returns an instance pointer as the session ID, which is not unique nor cryptographically secure. This allows network attackers with access to the oatpp-mcp server to guess future session IDs and hijack legitimate client MCP sessions, returning malicious responses...