EUVD-2026-75796

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of command-line arguments in the MCP stdio server configuration...

PT-2026-90533

Name of the Vulnerable Software and Affected Versions MySQL MCP Server versions prior to 0.4.2 Description When the MCP TRANSPORT variable is set to sse, the server constructs SseServerTransport without security settings or DNS-rebinding protection. This configuration leaves the Starlette...

CVE-2026-87913

A missing S3 bucket ownership verification in the AWS Security Agent MCP server before 0.2.0 version might allow remote attackers to obtain the private source archive of a scanned workspace, including credentials and infrastructure state contained in that archive, via a pre-registered storage...

CVE-2026-87913 Missing S3 bucket ownership verification in the AWS Security Agent MCP server

A missing S3 bucket ownership verification in the AWS Security Agent MCP server before 0.2.0 version might allow remote attackers to obtain the private source archive of a scanned workspace, including credentials and infrastructure state contained in that archive, via a pre-registered storage...

Omnigent: Shared Agent Bundle Overwrite Leads to Authenticated Runner RCE

SummaryAn authenticated user with edit access to their own session can overwrite a shared/template agent by uploading a full agent bundle through PUT /sessions/sessionid/agent.Shared/template agents are shown as not MCP-editable, but this upload path still accepts a replacement bundle. By adding ...

PYSEC-2026-3874 Omnigent: Shared Agent Bundle Overwrite Leads to Authenticated Runner RCE

Summary An authenticated user with edit access to their own session can overwrite a shared/template agent by uploading a full agent bundle through PUT /sessions/sessionid/agent. Shared/template agents are shown as not MCP-editable, but this upload path still accepts a replacement bundle. By addin...

nextcloud-mcp-server: Unauthenticated `POST /webhooks/nextcloud` allows arbitrary vector data deletion when `WEBHOOK_SECRET` is unset ( default )

SummaryThe POST /webhooks/nextcloud endpoint has no authentication by default: WEBHOOKSECRET defaults to None and is never required by startup validation. When unset, the receiver accepts any unauthenticated POST. The userid is taken directly from the attacker-supplied payload and passed to Qdran...

PYSEC-2026-3866 nextcloud-mcp-server: Unauthenticated `POST /webhooks/nextcloud` allows arbitrary vector data deletion when `WEBHOOK_SECRET` is unset ( default )

Summary The POST /webhooks/nextcloud endpoint has no authentication by default: WEBHOOKSECRET defaults to None and is never required by startup validation. When unset, the receiver accepts any unauthenticated POST. The userid is taken directly from the attacker-supplied payload and passed to...

PYSEC-2026-3892 PraisonAI: Origin-validation bypass (startswith prefix match) enables unauthenticated cross-site request forgery against the PraisonAI MCP HTTP server

Summary The PraisonAI MCP server exposes an HTTP-stream transport praisonai mcp serve --transport http-stream that binds to localhost and, by default, has no API key. Its only access control for browser-originated requests is an Origin allowlist, which the code implements as required by the MCP...

PraisonAI: Origin-validation bypass (startswith prefix match) enables unauthenticated cross-site request forgery against the PraisonAI MCP HTTP server

SummaryThe PraisonAI MCP server exposes an HTTP-stream transport praisonai mcp serve --transport http-stream that binds to localhost and, by default, has no API key. Its only access control for browser-originated requests is an Origin allowlist, which the code implements as required by the MCP...

mcp-contextforge-gateway has RestrictedPython sandbox bypass via getattr builtin in python_sandbox_server

Commit: f855e54d5b7bc1c91b977574a03b91eff6b86bb6Component: mcp-servers/python/pythonsandboxserver/src/pythonsandboxserver/serverfastmcp.py VulnerabilityRestrictedPython's sandbox in ContextForge's pythonsandboxserver sub-project allows arbitrary Python execution via three compounding weaknesses:1...

CVE-2026-87913: Unverified Ownership

A missing S3 bucket ownership verification in the AWS Security Agent MCP server before 0.2.0 version might allow remote attackers to obtain the private source archive of a scanned workspace, including credentials and infrastructure state contained in that archive, via a pre-registered storage...

NPM: functype-mcp-server: MCP `set_functype_version` Package Alias RCE via Unsanitized pnpm install + Dynamic Import

NPM: functype-mcp-server: MCP setfunctypeversion Package Alias RCE via Unsanitized pnpm install + Dynamic Import vulnerability discovered by ? in WordPress Npm functype-mcp-server versions = 1.4.3...

functype-mcp-server: MCP `set_functype_version` Package Alias RCE via Unsanitized pnpm install + Dynamic Import

MCP setfunctypeversion Package Alias RCE via Unsanitized pnpm install + Dynamic Import Summary The setfunctypeversion MCP tool in functype-mcp-server accepts an unconstrained version string, interpolates it directly into an npm package specifier functype@, and installs it via pnpm add without any...

GHSA-WCJJ-9M6G-2FR2 functype-mcp-server: MCP `set_functype_version` Package Alias RCE via Unsanitized pnpm install + Dynamic Import

MCP setfunctypeversion Package Alias RCE via Unsanitized pnpm install + Dynamic Import Summary The setfunctypeversion MCP tool in functype-mcp-server accepts an unconstrained version string, interpolates it directly into an npm package specifier functype@, and installs it via pnpm add without any...

CVE-2026-87911

An OS command injection weakness in the read-only enforcement of the SQL validation component in Amazon awslabs postgres-mcp-server before 1.1.7 might allow an unauthenticated actor to execute operating system commands on the host of a self-managed PostgreSQL server by placing a crafted COPY ... ...

EUVD-2026-75127

An OS command injection weakness in the read-only enforcement of the SQL validation component in Amazon awslabs postgres-mcp-server before 1.1.7 might allow an unauthenticated actor to execute operating system commands on the host of a self-managed PostgreSQL server by placing a crafted COPY ... ...

CVE-2026-87911

CVE-2026-87911 is a CRITICAL (CVSS 9.6) OS command injection vulnerability in the SQL validation component of Amazon awslabs postgres-mcp-server prior to version 1.1.7. The flaw lies in the read-only enforcement , which can be bypassed by injecting a crafted COPY ... TO PROGRAM statement into con...

CVE-2026-87911 Read-only enforcement bypass enabling operating system command execution in the SQL validation component of Amazon awslabs postgres-mcp-server

An OS command injection weakness in the read-only enforcement of the SQL validation component in Amazon awslabs postgres-mcp-server before 1.1.7 might allow an unauthenticated actor to execute operating system commands on the host of a self-managed PostgreSQL server by placing a crafted COPY ... ...

CVE-2026-87911 Read-only enforcement bypass enabling operating system command execution in the SQL validation component of Amazon awslabs postgres-mcp-server

An OS command injection weakness in the read-only enforcement of the SQL validation component in Amazon awslabs postgres-mcp-server before 1.1.7 might allow an unauthenticated actor to execute operating system commands on the host of a self-managed PostgreSQL server by placing a crafted COPY ... ...