CVE-2026-45555

Roslyn CodeLens MCP Server is a Roslyn-based MCP server providing semantic code intelligence for .NET codebases. From 0.0.9 to 1.17.0, the getdiagnostics MCP tool loads and executes all DiagnosticAnalyzer assemblies referenced by the target solution without any allowlist, signature check, or user...

CVE-2026-45609

CVE-2026-45609 concerns the mcp-security component of Spring AI, where unvalidated URL fetching enables SSRF prior to version 0.1.9. The vulnerability affects installations with Dynamic Client Registration (DCR) enabled and involves processing untrusted URLs used for OAuth-related discovery and m...

CVE-2026-45609 mcp-security: Unvalidated URL Fetching (SSRF)

mcp-security provides Security and Authorization support for Model Context Protocol in Spring AI. Prior to 0.1.9, the mcp-security framework fails to implement the mandatory SSRF mitigations outlined in the Model Context Protocol MCP security specifications. Specifically, it processes untrusted...

CVE-2026-45582 n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node parameters

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.3, the workflow telemetry sanitizer could retain partial fragments of URL-shaped node parameters before sending workflow data to the project's anonymous telemetry...

CVE-2026-45582 n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node parameters

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.3, the workflow telemetry sanitizer could retain partial fragments of URL-shaped node parameters before sending workflow data to the project's anonymous telemetry...

CVE-2026-45582

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.3, the workflow telemetry sanitizer could retain partial fragments of URL-shaped node parameters before sending workflow data to the project's anonymous telemetry...

CVE-2026-45582 n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node parameters

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.3, the workflow telemetry sanitizer could retain partial fragments of URL-shaped node parameters before sending workflow data to the project's anonymous telemetry...

CVE-2026-45707 n8n-MCP: Multi-tenant MCP requests fall back to process-level n8n credentials when tenant headers are absent or incomplete

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.2, when ENABLEMULTITENANT=true, the HTTP transport documents that the target n8n instance is selected per-request from x-n8n-url / x-n8n-key headers. Requests that...

CVE-2026-45555

Roslyn CodeLens MCP Server is a Roslyn-based MCP server providing semantic code intelligence for .NET codebases. From 0.0.9 to 1.17.0, the getdiagnostics MCP tool loads and executes all DiagnosticAnalyzer assemblies referenced by the target solution without any allowlist, signature check, or user...

EUVD-2026-33302

Roslyn CodeLens MCP Server is a Roslyn-based MCP server providing semantic code intelligence for .NET codebases. From 0.0.9 to 1.17.0, the getdiagnostics MCP tool loads and executes all DiagnosticAnalyzer assemblies referenced by the target solution without any allowlist, signature check, or user...

CVE-2026-45555

Summary : The Roslyn CodeLens MCP Server (MCP) processes Diagnostics via get_diagnostics, loading all DiagnosticAnalyzer assemblies in the target solution without any allowlist, signature check, or user confirmation. From versions 0.0.9–1.17.0, this enables arbitrary code execution in the MCP ser...

MCP Security 代码问题漏洞

MCP Security is a security tool developed by the Spring AI Community as an open-source project, designed to provide OAuth 2.0 authorization support for the Spring AI’s MCP protocol. Versions of MCP Security prior to 0.1.9 contained code-related vulnerabilities. These vulnerabilities stemmed from...

n8n-MCP 访问控制错误漏洞

n8n-MCP is a model context protocol server developed by Romuald Członkowski, an individual developer. Versions of n8n-MCP prior to 2.51.2 contained an access control vulnerability. This vulnerability arises when multi-tenant mode is enabled, and headers are omitted or only partially provided duri...

PT-2026-44846

Name of the Vulnerable Software and Affected Versions Roslyn CodeLens MCP Server versions 0.0.9 through 1.16.0 Description The get diagnostics MCP tool loads and executes all DiagnosticAnalyzer assemblies referenced by the target solution without an allowlist, signature check, or user confirmatio...

Roslyn CodeLens MCP Server 安全漏洞

Roslyn CodeLens MCP Server is a Roslyn-based .NET code library tool for deep semantic analysis, developed by Marcel Roozekrans. Versions of Roslyn CodeLens MCP Server from 0.0.9 to 1.17.0 contain security vulnerabilities. These vulnerabilities stem from the getdiagnostics tool, which loads and...

ANT-2026-NDBADAT0 · sentinelone/purple-mcp · Algorithmic Complexity Denial of Service

denial-of-service high Severity Claude high · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-NDBADAT0: Algorithmic Complexity DoS The MCP tools for alerts, misconfigurations, and vulnerabilities...

Permissive Cross-domain Policy with Untrusted Domains

Overview Affected versions of this package are vulnerable to Permissive Cross-domain Policy with Untrusted Domains in the SSE initialization handler due to the use of a hardcoded Access-Control-Allow-Origin: header. An attacker can gain unauthorized access to sensitive resources by exploiting DNS...

poc-ccweb-unauth-rce

CVE — pqhaz3925/ccweb Unauthenticated RCE via Claude Code Cont...

PT-2026-43621

Name of the Vulnerable Software and Affected Versions python-engineio versions prior to 4.13.2 Description An attacker can trigger the creation of unnecessary background threads in the server by exploiting the heartbeat mechanism. This occurs when a new connection is received or when a client sen...

PT-2026-43619

Name of the Vulnerable Software and Affected Versions protobufjs affected versions not specified Description An issue exists where the software could recurse without a depth limit during the conversion of decoded messages to plain objects or JSON. This specifically affects the generated toObject...