mcpsnoop

Wireshark for MCP. mcpsnoop sits between your AI client and your MCP server and records every JSON-RPC frame they exchange, with no change to either side. Watch it live in your terminal, fail CI on what it finds, or send it to your tracing backend as OpenTelemetry spans. The problem The official...

Ajar

Ajar: Measuring Open Privilege in Agent Defenses An agent-security benchmark reports two numbers, attack success and benign utility, and both are read off runs that happened. Neither says what the defense stood ready to allow on the paths no run took. Ajar asks it directly: for each benign task i...

CVE-2026-62863

MoLing is a computer-use and browser-use based MCP server. Prior to 0.5.0, when MoLing runs in SSE mode using -l, its /sse and /message HTTP endpoints do not authenticate requests and the mcp-go dependency sets Access-Control-Allow-Origin: . A malicious web page can open a cross-origin EventSourc...

CVE-2026-62863 MoLing: unauthenticated SSE and wildcard CORS expose tool sessions

MoLing is a computer-use and browser-use based MCP server. Prior to 0.5.0, when MoLing runs in SSE mode using -l, its /sse and /message HTTP endpoints do not authenticate requests and the mcp-go dependency sets Access-Control-Allow-Origin: . A malicious web page can open a cross-origin EventSourc...

CVE-2026-62863

The MoLing MCP server (prior to version 0.5.0 ) is vulnerable to unauthorized tool execution due to unauthenticated SSE and wildcard CORS settings. When running in SSE mode using the -l flag, the /sse and /message endpoints fail to authenticate requests, and the mcp-go dependency sets Access-Cont...

PT-2026-134207

Name of the Vulnerable Software and Affected Versions MoLing versions prior to 0.5.0 Description When running in SSE mode using the -l flag, the /sse and /message HTTP endpoints do not authenticate requests. Additionally, the mcp-go dependency configures Access-Control-Allow-Origin: , which allow...

CVE-2026-62863: gojue moling: MoLing is a computer-use and browser-use based MCP server

MoLing is a computer-use and browser-use based MCP server. Prior to 0.5.0, when MoLing runs in SSE mode using -l, its /sse and /message HTTP endpoints do not authenticate requests and the mcp-go dependency sets Access-Control-Allow-Origin: . A malicious web page can open a cross-origin EventSourc...

Spring AI 2.1 Message Parts: Reasoning That Survives the Round Trip

Spring AI: Message Parts Doc | Upgrade Notes | OpenAI Responses Doc | Session Doc Reasoning models do more than think before they answer. They hand part of that thinking back to you and expect to get it back on the next request. Claude signs its thinking blocks. Gemini attaches thought signatures...

CVE-2026-116686 Model Context Protocol Python SDK: Client fetched server-chosen $ref URLs while validating tool results against output schemas

The Model Context Protocol Python SDK is the official Python SDK for Model Context Protocol servers and clients. From 1.10.0 until 1.30.0 and 2.2.0, ClientSession, ClientSessionGroup, and Client tool calls validate server-declared outputSchema documents with jsonschema's default resolver, causing...

CVE-2026-116686 Model Context Protocol Python SDK: Client fetched server-chosen $ref URLs while validating tool results against output schemas

The Model Context Protocol Python SDK is the official Python SDK for Model Context Protocol servers and clients. From 1.10.0 until 1.30.0 and 2.2.0, ClientSession, ClientSessionGroup, and Client tool calls validate server-declared outputSchema documents with jsonschema's default resolver, causing...

EUVD-2026-111366

The Model Context Protocol Python SDK is the official Python SDK for Model Context Protocol servers and clients. From 1.10.0 until 1.30.0 and 2.2.0, ClientSession, ClientSessionGroup, and Client tool calls validate server-declared outputSchema documents with jsonschema's default resolver, causing...

CVE-2026-58497

Uni-CLI gives people and agents one command interface for websites, browsers, desktop applications, local tools, and MCP. Prior to version 0.225.2, Uni-CLI exposed the legacy JSON-RPC-over-HTTP MCP transport on loopback without validating browser Origin headers before routing requests. A maliciou...

EUVD-2026-109090

Uni-CLI gives people and agents one command interface for websites, browsers, desktop applications, local tools, and MCP. Prior to version 0.225.2, Uni-CLI exposed the legacy JSON-RPC-over-HTTP MCP transport on loopback without validating browser Origin headers before routing requests. A maliciou...

CVE-2026-115477 obsidian-tc: Declined human-in-the-loop confirmations can permit destructive calls over HTTP

obsidian-tc is a governed, agent-ready Model Context Protocol server for Obsidian vaults. From 1.13.0 until 1.31.4, on a Streamable HTTP deployment with auth.jwtSecret configured and a 2026-07-28-era client declaring elicitation.form support, a dispatch-gated tool call offered an inputRequired...

EUVD-2026-108873

PraisonAI is a multi-agent teams system. From version 4.5.2 to before version 4.6.59, praisonai.bots.DiscordApproval approves a pending dangerous tool call when it sees any later non-bot message in the configured Discord channel whose text is classified as approval, such as yes. As a result, any...

PT-2026-122145

Uni-CLI gives people and agents one command interface for websites, browsers, desktop applications, local tools, and MCP. Prior to version 0.225.2, Uni-CLI exposed the legacy JSON-RPC-over-HTTP MCP transport on loopback without validating browser Origin headers before routing requests. A maliciou...

PT-2026-122414

Pydantic AI Harness before 0.59.0 fails to enforce UsageLimits.tool calls limit on nested tool calls dispatched from run code in the CodeMode toolset. Users or prompt-injected content can make the sandboxed program invoke tools via run nested call without check before tool call, exceeding operato...

PT-2026-120573

Pydantic AI Harness before 0.59.0 fails to enforce UsageLimits.tool calls limit on nested tool calls dispatched from run code in the CodeMode toolset. Users or prompt-injected content can make the sandboxed program invoke tools via run nested call without check before tool call, exceeding operato...

CVE-2026-76066: Missing Authorization

IntentKit through 2.6.3, fixed in commit 5b91da5, contains an authorization bypass vulnerability where the executor validates tool calls against the full tool registry rather than the per-request narrowed tool advertisement enforced by ToolBindingMiddleware, allowing owner-only state-changing too...

CVE-2026-110841 n8n before 2.41.4 and 2.42.0 Authorization Bypass in Agent Chat Resume Tool Approval

n8n before 2.41.4 and 2.42.0 contains an authorization bypass in the agent chat resume endpoint, which accepts a run identifier from the request body without verifying that the suspended checkpoint belongs to the caller. Authenticated project members can list and read other members' private agent...