EUVD-2026-67026

The Telnyx MCP server exposed its HTTP transport on every interface and did not require a caller credential. packages/mcp-server/src/http.ts served MCP on the root path with a listener bound to all interfaces and parsed the caller's authentication headers in a mode that did not fail when they wer...

CVE-2026-81098 Telnyx MCP Server through 6.83.0 Missing Authentication on Streamable HTTP Transport

The Telnyx MCP server exposed its HTTP transport on every interface and did not require a caller credential. packages/mcp-server/src/http.ts served MCP on the root path with a listener bound to all interfaces and parsed the caller's authentication headers in a mode that did not fail when they wer...

CVE-2026-81098 Telnyx MCP Server through 6.83.0 Missing Authentication on Streamable HTTP Transport

The Telnyx MCP server exposed its HTTP transport on every interface and did not require a caller credential. packages/mcp-server/src/http.ts served MCP on the root path with a listener bound to all interfaces and parsed the caller's authentication headers in a mode that did not fail when they wer...

CVE-2026-81098

The Telnyx MCP server (telnyx-node package through 6.83.0 ) exposed its Streamable HTTP transport on all network interfaces without requiring caller credentials. The vulnerable component, packages/mcp-server/src/http.ts, bound its listener to every interface and parsed authentication headers in a...

CVE-2026-81098 Telnyx MCP Server through 6.83.0 Missing Authentication on Streamable HTTP Transport

The Telnyx MCP server exposed its HTTP transport on every interface and did not require a caller credential. packages/mcp-server/src/http.ts served MCP on the root path with a listener bound to all interfaces and parsed the caller's authentication headers in a mode that did not fail when they wer...

CVE-2026-81097 rails-mcp-server 1.4.0 through 1.6.0 OS Command Execution via execute_ruby PTY Escape

The executeruby tool is documented as a read-only Ruby sandbox and is enforced by a pattern denylist together with replacements for the process-spawning methods on Kernel. The pseudo-terminal library's spawn entry points are neither in the denylist nor replaced, so a normal tool call could reach...

CVE-2026-81097

rails-mcp-server (versions 1.4.0 through 1.6.0 ) contains an OS command execution vulnerability in the execute_ruby tool. The tool is documented as a read-only Ruby sandbox enforced by a pattern denylist and replacements for process-spawning methods on Kernel , but the pseudo-terminal library's s...

CVE-2026-81097 rails-mcp-server 1.4.0 through 1.6.0 OS Command Execution via execute_ruby PTY Escape

The executeruby tool is documented as a read-only Ruby sandbox and is enforced by a pattern denylist together with replacements for the process-spawning methods on Kernel. The pseudo-terminal library's spawn entry points are neither in the denylist nor replaced, so a normal tool call could reach...

CVE-2026-81097 rails-mcp-server 1.4.0 through 1.6.0 OS Command Execution via execute_ruby PTY Escape

The executeruby tool is documented as a read-only Ruby sandbox and is enforced by a pattern denylist together with replacements for the process-spawning methods on Kernel. The pseudo-terminal library's spawn entry points are neither in the denylist nor replaced, so a normal tool call could reach...

EUVD-2026-67148

The get-html-skeleton tool fetched a URL the caller supplied after checking only its syntax. The handler in src/tools/common/gethtmlskeleton.ts validated the url argument with isValidHttpUrl from src/utils/generic.ts, which confirmed the string began with an http or https scheme and parsed as a U...

CVE-2026-81093

Apify Actors MCP Server before version 0.9.12 is vulnerable to Server-Side Request Forgery (SSRF) via the get-html-skeleton tool. The URL validation function (isValidHttpUrl) in src/utils/generic.ts confirmed only that the argument began with an http/https scheme and parsed as a URL, without insp...

CVE-2026-81093 Apify Actors MCP Server before 0.9.12 Server-Side Request Forgery via get-html-skeleton

The get-html-skeleton tool fetched a URL the caller supplied after checking only its syntax. The handler in src/tools/common/gethtmlskeleton.ts validated the url argument with isValidHttpUrl from src/utils/generic.ts, which confirmed the string began with an http or https scheme and parsed as a U...

CVE-2026-81093 Apify Actors MCP Server before 0.9.12 Server-Side Request Forgery via get-html-skeleton

The get-html-skeleton tool fetched a URL the caller supplied after checking only its syntax. The handler in src/tools/common/gethtmlskeleton.ts validated the url argument with isValidHttpUrl from src/utils/generic.ts, which confirmed the string began with an http or https scheme and parsed as a U...

PT-2026-82571

Name of the Vulnerable Software and Affected Versions Telnyx MCP server affected versions not specified Description The HTTP transport was exposed on all network interfaces and did not require caller credentials. In the file packages/mcp-server/src/http.ts, the server served the Model Context...

PT-2026-82573

Name of the Vulnerable Software and Affected Versions tiger-gh-mcp-server versions prior to the commit that implemented the fix Description The MCP HTTP transport was started without enabling the host allow-list provided by the underlying SDK. Specifically, the httpServer.ts file called the...

CVE-2026-55609

sublinear-time-solver is a Rust and WebAssembly library for solving asymmetric diagonally dominant systems in sublinear time. Prior to consciousness-explorer 1.1.2 and sublinear-time-solver 1.6.0, the exportstate and importstate tools in src/consciousness-explorer/mcp/server.js pass the...

GHSA-72F3-6W86-7RV3 @arikusi/deepseek-mcp-server: Missing Authentication on Self-Hosted HTTP MCP Endpoint

Summary The self-hosted HTTP transport of @arikusi/deepseek-mcp-server exposes POST /mcp without any authentication: createMcpExpressApp is called without an authProvider and no middleware guards the route, so any network-reachable client can issue an unauthenticated initialize request and obtain...

EUVD-2026-42720

@arikusi/deepseek-mcp-server has an Authorization Bypass Through User-Controlled Key...

GHSA-FH3R-G96V-F578 @arikusi/deepseek-mcp-server has an Authorization Bypass Through User-Controlled Key

Cross-Session Data Exposure via Caller-Controlled sessionid Project / Repository: arikusi/deepseek-mcp-server Affected version / commit tested: 1.6.0 / 04f28be2c6e99d3d4e443a6ae37cc35f0a71554a Vulnerability type: Authorization bypass / cross-session data exposure Authentication required: No Summa...

CVE-2026-55609

sublinear-time-solver is a Rust and WebAssembly library for solving asymmetric diagonally dominant systems in sublinear time. The vulnerability is a path traversal in the MCP server tools: export_state and import_state (in src/consciousness-explorer/mcp/server.js) and saveVectorToFile / loadVecto...