CVE-2026-11719

An authenticated authorization bypass vulnerability exists in MCP Toolbox for Databases due to missing scope enforcement across older protocol handlers. While the 2025-11-25 protocol version handler correctly enforces per-tool restrictions defined by scopesRequired, older supported protocol...

EUVD-2026-37879

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint RFC 7662, the toolbox decodes the response into an introspectResp struct where t...

CVE-2026-11717

CVE-2026-11717 details an authentication bypass in googleapis/mcp-toolbox, specifically in the validateOpaqueToken path. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint (RFC 7662), the toolbox decodes the response into an introspectResp with Active as a *bool. The ...

CVE-2026-11717: Improper Authentication

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint RFC 7662, the toolbox decodes the response into an introspectResp struct where t...

CVE-2026-11718: Improper Authentication

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When the toolbox validates an opaque token via an OAuth 2.0 introspection endpoint RFC 7662, it decodes the response into an introspectResp struct. However, the...

PT-2026-53184

REST Path Traversal Bypasses Token Redaction in netlicensing-mcp Summary The netlicensing get product MCP tool in netlicensing-mcp interpolates a caller-controlled product number argument directly into a REST URL path without any validation. Passing ../token as the product number causes httpx to...

PT-2026-61778

PraisonAI is a multi-agent teams system. Prior to 4.6.59, the default UI host applications expose POST /api/mcp/connect without mandatory authentication and accept caller-controlled command and args values that PraisonAIUI passes to StdioMCPClient to start a local process. Because the UI commands...

CVE-2026-11719: Missing Authorization

An authenticated authorization bypass vulnerability exists in MCP Toolbox for Databases due to missing scope enforcement across older protocol handlers. While the 2025-11-25 protocol version handler correctly enforces per-tool restrictions defined by scopesRequired, older supported protocol...

CVE-2026-49257: Missing Authentication for Critical Function

mcp-pinot is a Python-based Model Context Protocol MCP server for interacting with Apache Pinot. In versions 3.0.1 and below, mcp-pinot defaults to running an HTTP MCP server bound to 0.0.0.0:8080 with no authentication enabled. All MCP tools, including SQL query execution, schema creation, and...

CVE-2026-48989

Windows-MCP is an open-source project that integrates AI agents with Windows. In versions prior to 0.7.5, certain HTTP modes exposed the MCP control plane without authentication while enabling wildcard CORS alloworigins=, allowmethods=, allowheaders=. Because the same server also exposed a...

CVE-2026-48989 Windows-MCP: HTTP transports expose unauthenticated PowerShell control with wildcard CORS

Windows-MCP is an open-source project that integrates AI agents with Windows. In versions prior to 0.7.5, certain HTTP modes exposed the MCP control plane without authentication while enabling wildcard CORS alloworigins=, allowmethods=, allowheaders=. Because the same server also exposed a...

CVE-2026-48989

CVE-2026-48989 affects Windows-MCP HTTP transports that expose an unauthenticated control plane with wildcard CORS, enabling arbitrary PowerShell execution via the PowerShell tool when accessed from arbitrary origins. Root cause: FastMCP instance built without authentication and middleware applyi...

EUVD-2026-37800

Windows-MCP is an open-source project that integrates AI agents with Windows. In versions prior to 0.7.5, certain HTTP modes exposed the MCP control plane without authentication while enabling wildcard CORS alloworigins=, allowmethods=, allowheaders=. Because the same server also exposed a...

CVE-2026-48989 Windows-MCP: HTTP transports expose unauthenticated PowerShell control with wildcard CORS

Windows-MCP is an open-source project that integrates AI agents with Windows. In versions prior to 0.7.5, certain HTTP modes exposed the MCP control plane without authentication while enabling wildcard CORS alloworigins=, allowmethods=, allowheaders=. Because the same server also exposed a...

arikaim (>=0.5.6, <=0.5.11), ellar (>=0.7.0, <=0.7.3) +3 more potentially affected by CVE-2026-48817 via starlette (0.37.1)

starlette PYPI version 0.37.1 is affected by a known vulnerability. The following packages have a transitive dependency on starlette and may be impacted: - arikaim =0.5.6, =0.7.0, =4.4.4, =0.1.2, =0.1.1, =0.1.12 Source cves: CVE-2026-48817 Source advisory: OSV:PYSEC-2026-2280...

agentiacap (>=0.1.31, <=0.1.37), ap-rest-client (>=0.0.1, <=0.0.5) +7 more potentially affected by CVE-2026-48817 via starlette (0.46.0)

starlette PYPI version 0.46.0 is affected by a known vulnerability. The following packages have a transitive dependency on starlette and may be impacted: - agentiacap =0.1.31, =0.0.1, =1.107.2rc3, =1.0.1, =0.1.0, =0.1.1, =0.1.0, =0.1.0, =0.1.0, =0.4.7 Source cves: CVE-2026-48817 Source advisory:...

esmerald (1.2.3), htagweb (>=0.10.0, <=0.42.3) +3 more potentially affected by CVE-2026-48817 via starlette (0.29.0)

starlette PYPI version 0.29.0 is affected by a known vulnerability. The following packages have a transitive dependency on starlette and may be impacted: - esmerald 1.2.3 - htagweb =0.10.0, =1.0.0, =1.0.1 - starlette-authlib 0.1.27 - starlette-bridge 0.2.0 Source cves: CVE-2026-48817 Source...

CVE-2026-48814

Network-AI is a TypeScript/Node.js multi-agent orchestrator. In versions 5.7.1 and earlier, the MCP SSE server allows unauthenticated cross-origin MCP tool invocation due to an empty default secret. This issue was partially addressed by CVE-2026-46701 in version 5.4.5 by closing the CORS flaw wit...

fusion (0.1.0), geo-importer (>=0.0.1b1, <=0.0.1b914) +4 more potentially affected by CVE-2026-48817 via starlette (0.47.0)

starlette PYPI version 0.47.0 is affected by a known vulnerability. The following packages have a transitive dependency on starlette and may be impacted: - fusion 0.1.0 - geo-importer =0.0.1b1, =0.3.0, =0.1.2, =0.1.0, =0.1.0, =0.1.3 Source cves: CVE-2026-48817 Source advisory: OSV:PYSEC-2026-2280...

CVE-2026-48814 Network-AI: Empty default secret still authorizes all requests (Incomplete fix for CVE-2026-46701)

Network-AI is a TypeScript/Node.js multi-agent orchestrator. In versions 5.7.1 and earlier, the MCP SSE server allows unauthenticated cross-origin MCP tool invocation due to an empty default secret. This issue was partially addressed by CVE-2026-46701 in version 5.4.5 by closing the CORS flaw wit...