n8n-mcp's IPv4-mapped IPv6 addresses bypass SSRF protection in validateUrlSync(), enabling full SSRF for SDK embedders

Impact In the SDK embedder path N8NDocumentationMCPServer constructor, getN8nApiClient, and validateInstanceContext, the synchronous URL validator in SSRFProtection.validateUrlSync had no IPv6 checks. IPv4-mapped IPv6 addresses such as http://::ffff:169.254.169.254 bypassed the cloud-metadata,...

GHSA-86HP-QXQP-W9WV mcp-server-semgrep has a Command Injection issue

A vulnerability was detected in VetCoders mcp-server-semgrep 1.0.0. This affects the function analyzeresults/filterresults/exportresults/compareresults/scandirectory/createrule of the file src/index.ts of the component MCP Interface. The manipulation of the argument ID results in os command...

Arbitrary Command Injection

Overview mcp-server-semgrep is a MCP Server for Semgrep Integration - static code analysis with AI Affected versions of this package are vulnerable to Arbitrary Command Injection via the analyzeresults, filterresults, exportresults, compareresults, scandirectory, or createrule functions in the MC...

mcp-server-semgrep has a Command Injection issue

A vulnerability was detected in VetCoders mcp-server-semgrep 1.0.0. This affects the function analyzeresults/filterresults/exportresults/compareresults/scandirectory/createrule of the file src/index.ts of the component MCP Interface. The manipulation of the argument ID results in os command...

CVE-2026-7446

A vulnerability was detected in VetCoders mcp-server-semgrep 1.0.0. This affects the function analyzeresults/filterresults/exportresults/compareresults/scandirectory/createrule of the file src/index.ts of the component MCP Interface. The manipulation of the argument ID results in os command...

CVE-2026-7446 VetCoders mcp-server-semgrep MCP index.ts create_rule os command injection

A vulnerability was detected in VetCoders mcp-server-semgrep 1.0.0. This affects the function analyzeresults/filterresults/exportresults/compareresults/scandirectory/createrule of the file src/index.ts of the component MCP Interface. The manipulation of the argument ID results in os command...

CVE-2026-7446

VetCoders mcp-server-semgrep version 1.0.0 is affected by CVE-2026-7446 in the MCP Interface. The vulnerability exists in the file src/index.ts (functions analyze_results, filter_results, export_results, compare_results, scan_directory, create_rule) where manipulation of the argument ID enables a...

EUVD-2026-26302

A vulnerability was detected in VetCoders mcp-server-semgrep 1.0.0. This affects the function analyzeresults/filterresults/exportresults/compareresults/scandirectory/createrule of the file src/index.ts of the component MCP Interface. The manipulation of the argument ID results in os command...

CVE-2026-7446 VetCoders mcp-server-semgrep MCP index.ts create_rule os command injection

A vulnerability was detected in VetCoders mcp-server-semgrep 1.0.0. This affects the function analyzeresults/filterresults/exportresults/compareresults/scandirectory/createrule of the file src/index.ts of the component MCP Interface. The manipulation of the argument ID results in os command...

PT-2026-36030

Name of the Vulnerable Software and Affected Versions VetCoders mcp-server-semgrep version 1.0.0 Description Remote OS command injection is possible within the MCP Interface component in the file src/index.ts. The issue occurs when the ID argument is manipulated, affecting the functions analyze...

PT-2026-36822

Name of the Vulnerable Software and Affected Versions n8n-MCP versions 2.47.4 through 2.47.13 Description The synchronous URL validator in SSRFProtection.validateUrlSync lacks IPv6 checks within the SDK embedder path, specifically affecting the N8NDocumentationMCPServer constructor,...

Server-side Request Forgery (SSRF)

Overview xhs-mcp is a XiaoHongShu CLI and MCP Server Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the xhspublishcontent MCP tool when processing the mediapaths argument. An attacker can access internal resources or perform unauthorized network requests ...

CVE-2026-7443

A weakness has been identified in BurtTheCoder mcp-dnstwist up to 1.0.4. Affected by this vulnerability is the function fuzzdomain of the file src/index.ts of the component MCP Interface. Executing a manipulation of the argument Request can lead to os command injection. The attack may be launched...

CVE-2026-7443 BurtTheCoder mcp-dnstwist MCP index.ts fuzz_domain os command injection

A weakness has been identified in BurtTheCoder mcp-dnstwist up to 1.0.4. Affected by this vulnerability is the function fuzzdomain of the file src/index.ts of the component MCP Interface. Executing a manipulation of the argument Request can lead to os command injection. The attack may be launched...

CVE-2026-7443

CVE-2026-7443 affects BurtTheCoder mcp-dnstwist ≤ 1.0.4, specifically the fuzz_domain function in src/index.ts of the MCP Interface. The weakness permits remote execution of OS commands via manipulation of the Request argument. Exploitation is possible remotely and public exploits exist. The vuln...

EUVD-2026-26300

A weakness has been identified in BurtTheCoder mcp-dnstwist up to 1.0.4. Affected by this vulnerability is the function fuzzdomain of the file src/index.ts of the component MCP Interface. Executing a manipulation of the argument Request can lead to os command injection. The attack may be launched...

CVE-2026-7443 BurtTheCoder mcp-dnstwist MCP index.ts fuzz_domain os command injection

A weakness has been identified in BurtTheCoder mcp-dnstwist up to 1.0.4. Affected by this vulnerability is the function fuzzdomain of the file src/index.ts of the component MCP Interface. Executing a manipulation of the argument Request can lead to os command injection. The attack may be launched...

CVE-2026-7443

A weakness has been identified in BurtTheCoder mcp-dnstwist up to 1.0.4. Affected by this vulnerability is the function fuzzdomain of the file src/index.ts of the component MCP Interface. Executing a manipulation of the argument Request can lead to os command injection. The attack may be launched...

CVE-2026-7443 BurtTheCoder mcp-dnstwist MCP index.ts fuzz_domain os command injection

A weakness has been identified in BurtTheCoder mcp-dnstwist up to 1.0.4. Affected by this vulnerability is the function fuzzdomain of the file src/index.ts of the component MCP Interface. Executing a manipulation of the argument Request can lead to os command injection. The attack may be launched...

CVE-2026-7417

A vulnerability was found in Algovate xhs-mcp 0.8.11. This affects the function xhspublishcontent of the file src/server/mcp.server.ts of the component MCP Interface. Performing a manipulation of the argument mediapaths results in server-side request forgery. The attack may be initiated remotely...