PT-2026-55129

Untrusted Project Bootstrap Code Execution via CLAUDE PROJECT DIR Summary The Cortex MCP server neuro-cortex-memory treats the CLAUDE PROJECT DIR environment variable — automatically set by Claude Code to the currently open project directory — as a trusted Cortex developer checkout. When the open...

PT-2026-55214

Name of the Vulnerable Software and Affected Versions neuro-cortex-memory versions 3.17.0 and later Description Local arbitrary code execution is possible because the server treats the CLAUDE PROJECT DIR environment variable as a trusted source root. When the open visualization tool is invoked, t...

CVE-2026-58446

Presenton before 0.8.8-beta bundles an MCP server that, on server/Docker deployments configured with session authentication AUTHUSERNAME/AUTHPASSWORD, is reachable unauthenticated at /mcp because the nginx front-end does not apply the authrequest gate to that path and the MCP server auto-mints a...

CVE-2026-58446: Missing Authentication for Critical Function

Presenton before 0.8.8-beta bundles an MCP server that, on server/Docker deployments configured with session authentication AUTHUSERNAME/AUTHPASSWORD, is reachable unauthenticated at /mcp because the nginx front-end does not apply the authrequest gate to that path and the MCP server auto-mints a...

PT-2026-53995

Presenton before 0.8.8-beta bundles an MCP server that, on server/Docker deployments configured with session authentication AUTH USERNAME/AUTH PASSWORD, is reachable unauthenticated at /mcp because the nginx front-end does not apply the auth request gate to that path and the MCP server auto-mints...

Open Source Kubectl MCP Server vulnerable to arbitrary code execution via user interaction with crafted HTML page

An issue in Open Source Kubectl MCP Server v1.1.1 allows attackers to execute arbitrary code on a victim system via user interaction with a crafted HTML page...

aws-mcp has a Command Injection Remote Code Execution Vulnerability

aws-mcp-server AWS CLI Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of aws-mcp-server. Authentication is not required to exploit this vulnerability.The specific flaw exists within the handling...

PYSEC-2026-288 aws-mcp has a Command Injection Remote Code Execution Vulnerability

aws-mcp-server AWS CLI Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of aws-mcp-server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handlin...

PYSEC-2026-468 PraisonAI Has Authentication Bypass via OAuthManager.validate_token()

Summary OAuthManager.validatetoken returns True for any token not found in its internal store, which is empty by default. Any HTTP request to the MCP server with an arbitrary Bearer token is treated as authenticated, granting full access to all registered tools and agent capabilities. Details...

PYSEC-2026-559 Upsonic: remote code execution vulnerability in its MCP server/task creation functionality

Upsonic 0.71.6 contains a remote code execution vulnerability in its MCP server/task creation functionality. The application allows users to define MCP tasks with arbitrary command and args values. Although an allowlist exists, certain allowed commands npm, npx accept argument flags that enable...

excel-mcp-server has a Path Traversal issue

SummaryA path traversal vulnerability exists in excel-mcp-server versions up to and including 0.1.7. When running in SSE or Streamable-HTTP transport mode the documented way to use this server remotely, an unauthenticated attacker on the network can read, write, and overwrite arbitrary files on t...

PYSEC-2026-331 excel-mcp-server has a Path Traversal issue

Summary A path traversal vulnerability exists in excel-mcp-server versions up to and including 0.1.7. When running in SSE or Streamable-HTTP transport mode the documented way to use this server remotely, an unauthenticated attacker on the network can read, write, and overwrite arbitrary files on...

PT-2026-53459

An issue in Open Source Kubectl MCP Server v1.1.1 allows attackers to execute arbitrary code on a victim system via user interaction with a crafted HTML page...

PT-2026-53383

aws-mcp-server AWS CLI Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of aws-mcp-server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handlin...

Server-side Request Forgery (SSRF)

Overview @cardano402/mcp-server is a MCP server that exposes paid HTTP endpoints as MCP tools, paying via the x402 Cardano scheme. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF through improper validation of catalog.server.url and insecure HTTP transport...

CVE-2026-48529

GitHub MCP Server is GitHub's official MCP Server. From 0.22.0 until 1.1.2, when running in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton initialized with the first authenticated user's GraphQL client. All subsequent requests from differe...

CVE-2026-48529 GitHub MCP Server: Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion

GitHub MCP Server is GitHub's official MCP Server. From 0.22.0 until 1.1.2, when running in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton initialized with the first authenticated user's GraphQL client. All subsequent requests from differe...

CVE-2026-4339

Mattermost versions 10.11.x = 10.11.18, 11.6.x = 11.6.3, 11.5.x = 11.5.6 fail to validate attachment URLs against internal or private IP ranges in the Mattermost Agents plugin MCP server which allows an attacker with access to the MCP server in stdio mode to perform server-side request forgery SS...

CVE-2026-4339 SSRF via unvalidated attachment URLs in Mattermost Agents plugin MCP server

Mattermost versions 10.11.x = 10.11.18, 11.6.x = 11.6.3, 11.5.x = 11.5.6 fail to validate attachment URLs against internal or private IP ranges in the Mattermost Agents plugin MCP server which allows an attacker with access to the MCP server in stdio mode to perform server-side request forgery SS...

CVE-2026-4339 SSRF via unvalidated attachment URLs in Mattermost Agents plugin MCP server

Mattermost versions 10.11.x = 10.11.18, 11.6.x = 11.6.3, 11.5.x = 11.5.6 fail to validate attachment URLs against internal or private IP ranges in the Mattermost Agents plugin MCP server which allows an attacker with access to the MCP server in stdio mode to perform server-side request forgery SS...