CVE-2026-77073 n8n before 2.34.1 Cross-Project Credential Access via MCP

n8n versions before 2.34.1 contain a credential validation bypass in the MCP createworkflowfromcode tool when authentication type is set to an expression. Attackers with a valid MCP Bearer API key and knowledge of a target credential ID can persist unauthorized cross-project credential references...

CVE-2026-77073

n8n versions before 2.34.1 contain a credential validation bypass in the MCP create_workflow_from_code tool when authentication type is set to an expression. An attacker with a valid MCP Bearer API key and a target credential ID can persist unauthorized cross-project credential references on work...

CVE-2026-77073 n8n before 2.34.1 Cross-Project Credential Access via MCP

n8n versions before 2.34.1 contain a credential validation bypass in the MCP createworkflowfromcode tool when authentication type is set to an expression. Attackers with a valid MCP Bearer API key and knowledge of a target credential ID can persist unauthorized cross-project credential references...

CVE-2026-77068 n8n before 2.34.1 Remote Code Execution via Path Traversal

n8n before 2.33.4 and 2.34.x before 2.34.1 contain a remote code execution vulnerability in the @n8n/workflow-sdk node-schema loader used for MCP node-schema loading. The loader derives a node's schema module path directly from the attacker-supplied node type string without validating...

CVE-2026-77068

n8n versions before 2.33.4 and 2.34.x before 2.34.1 allow an authenticated user with global:member privileges to achieve remote code execution in the n8n main process. The @n8n/workflow-sdk node-schema loader derives a schema module path directly from an attacker-supplied node type string without...

EUVD-2026-63257

n8n before 2.33.4 and 2.34.x before 2.34.1 contain a remote code execution vulnerability in the @n8n/workflow-sdk node-schema loader used for MCP node-schema loading. The loader derives a node's schema module path directly from the attacker-supplied node type string without validating...

CVE-2026-77068 n8n before 2.34.1 Remote Code Execution via Path Traversal

n8n before 2.33.4 and 2.34.x before 2.34.1 contain a remote code execution vulnerability in the @n8n/workflow-sdk node-schema loader used for MCP node-schema loading. The loader derives a node's schema module path directly from the attacker-supplied node type string without validating...

Malicious code in @httttt/mcp-demo (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 2914b799b1c4e540a2ff20338186041f8053fd03cc28ad544ecdb36531a33278 The package's main/bin entry contains a top-level await execAsync... that downloads a file named javaagent from...

EUVD-2026-62969

In Splunk MCP Server app versions below 1.2.1, a user who holds the "admin" Splunk role could execute arbitrary commands on the underlying operating system. The vulnerability is possible because of missing input validation in the app's credential management component, which deserializes stored da...

PT-2026-78924

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.33.4 n8n versions 2.34.x prior to 2.34.1 Description A remote code execution issue exists in the @n8n/workflow-sdk node-schema loader used for MCP node-schema loading. The loader determines a node's schema module path...

PT-2026-78929

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.34.1 Description A credential validation bypass exists in the MCP create workflow from code tool when the authentication type is configured as an expression. An attacker possessing a valid MCP Bearer API key and a targe...

CVE-2026-76404

In Splunk MCP Server app versions below 1.2.1, a user who holds the "admin" Splunk role could execute arbitrary commands on the underlying operating system. The vulnerability is possible because of missing input validation in the app's credential management component, which deserializes stored da...

CVE-2026-76404

The Splunk MCP Server app deserializes stored credential data without type validation, allowing an admin-role user to trigger arbitrary OS command execution. Affected versions are below 1.2.1; no exploitation evidence is provided. Update to version 1.2.1 to remediate. Splunk advisory: https://adv...

CVE-2026-76404 Remote Code Execution (RCE) through Deserialization of Untrusted Data in Splunk MCP Server app

In Splunk MCP Server app versions below 1.2.1, a user who holds the "admin" Splunk role could execute arbitrary commands on the underlying operating system. The vulnerability is possible because of missing input validation in the app's credential management component, which deserializes stored da...

CVE-2026-53957

creationtimestamp| type| source ---|---|--- 2026-08-19 20:35:15+00:00| published-proof-of-concept| https://github.com/contentful/contentful-mcp-server/security/advisories/GHSA-2xhg-73j7-rrgx...

CVE-2026-54688

creationtimestamp| type| source ---|---|--- 2026-08-19 20:35:10+00:00| published-proof-of-concept| https://github.com/ihor-sokoliuk/mcp-searxng/security/advisories/GHSA-q87f-qc2r-2gw4...

CVE-2026-54689

creationtimestamp| type| source ---|---|--- 2026-08-19 20:35:08+00:00| published-proof-of-concept| https://github.com/ihor-sokoliuk/mcp-searxng/security/advisories/GHSA-wppf-h75h-6pm6...

SearXNG Basic Authentication Credentials Exposed Through MCP Logs and JSON-RPC Error Responses

Summary mcp-searxng version 1.11.0 exposes SearXNG Basic Authentication credentials embedded in the SEARXNGURL environment variable. When the server starts in STDIO mode and an MCP client connects, the complete SEARXNGURL, including its username and password, is sent to the client through an MCP...

NPM: SearXNG Basic Authentication Credentials Exposed Through MCP Logs and JSON-RPC Error Responses

NPM: SearXNG Basic Authentication Credentials Exposed Through MCP Logs and JSON-RPC Error Responses vulnerability discovered by ? in WordPress Npm mcp-searxng versions 1.12.0...

GHSA-WPPF-H75H-6PM6 SearXNG MCP Server: Additional hardened-mode SSRF bypasses

Summary mcp-searxng has a hardened-mode URL-reading feature intended to prevent weburlread from reaching private or internal network resources. PR 79 appears to address one SSRF class: hostnames that resolve to private or internal addresses under hardened mode. I tested PR 79 locally and confirme...