n8n-MCP Logs Sensitive Request Data on Unauthorized /mcp Requests

Impact When n8n-mcp runs in HTTP transport mode, incoming requests to the POST /mcp endpoint had their request metadata written to server logs regardless of the authentication outcome. In deployments where logs are collected, forwarded to external systems, or viewable outside the request trust...

CVE-2026-40879

A flaw was found in Nest, a framework for building scalable Node.js server-side applications. A remote attacker can exploit this vulnerability by sending numerous small, valid JSON JavaScript Object Notation messages within a single TCP Transmission Control Protocol frame. This action causes the...

CVE-2026-34308

Oracle CPU describes the issue as following: Vulnerability in the MySQL Server product of Oracle MySQL component: Server: JSON. Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows low privileged attacker with network access v...

MAL-2026-3008 Malicious code in json-spacer (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 49ca906e0f0d7b5884d939ad398cc8367cad887c10533eb833b6f043e5368bfd The package json-spacer was found to contain malicious code. Source: ghsa-malware 04db81abcbf28276b2cb30a860e8decbc485699a1db9ea9557e0595e5f86be82 An...

Malicious Package

Overview json-dec is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package authorship...

Malicious Package

Overview json-spacer is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package authorshi...

Malware in json-dec

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outsid...

Malicious code in json-dec (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector de1db9ce26e4c5f4788ebbf809fede48364dd0741a8f4d0aa5580fac4b199f59 The package json-dec was found to contain malicious code. Source: ghsa-malware ad7f787412af0259dfcb2bcbb7429600fcb3c8a92510c70699961455caddd9ad Any...

Malicious code in json-spacer (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 49ca906e0f0d7b5884d939ad398cc8367cad887c10533eb833b6f043e5368bfd The package json-spacer was found to contain malicious code. Source: ghsa-malware 04db81abcbf28276b2cb30a860e8decbc485699a1db9ea9557e0595e5f86be82 An...

Malware in json-spacer

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outsid...

Exploit for Path Traversal in Jenkins

jenkinsscan Find jenkins environment and checks for CVE-2024-...

hospital-waf-mcp

Hospital WAF Management System Release: v1.0.0 Languag...

PT-2026-34766

OpenClaw before 2026.3.31 contains an information disclosure vulnerability in the Control Interface bootstrap JSON that exposes version and assistant agent identifiers. Attackers can extract sensitive fingerprinting information from the Control UI bootstrap payload to identify system versions and...

PT-2026-34732

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, an improper mass assignment JSON injection vulnerability in the account registration endpoint of Flowise Cloud allows unauthenticated attackers to inject server-managed fields and nested objec...

CVE-2026-41335: Exposure of Sensitive System Information to an Unauthorized Control Sphere

OpenClaw before 2026.3.31 contains an information disclosure vulnerability in the Control Interface bootstrap JSON that exposes version and assistant agent identifiers. Attackers can extract sensitive fingerprinting information from the Control UI bootstrap payload to identify system versions and...

CVE-2026-41267: Authorization Bypass Through User-Controlled Key

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, an improper mass assignment JSON injection vulnerability in the account registration endpoint of Flowise Cloud allows unauthenticated attackers to inject server-managed fields and nested objec...

ALSA-2026:10135 Important: buildah security update

The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a...

melange has Path Traversal via .PKGINFO in --persist-lint-results

melange lint --persist-lint-results opt-in flag, also usable via melange build --persist-lint-results constructs output file paths by joining --out-dir with the arch and pkgname values read from the .PKGINFO control file of the APK being linted. In affected versions these values were not validate...

PT-2026-34682

Name of the Vulnerable Software and Affected Versions n8n-mcp versions prior to 2.47.11 Description When running in HTTP transport mode, incoming requests to the 'POST /mcp' endpoint have their request metadata written to server logs regardless of whether authentication is successful. This can le...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: jq (UTSA-2026-014279)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-014279 advisory. jq is a command-line JSON processor. Commits before 6374ae0bcdfe33a18eb0ae6db28493b1f34a0a5b contain a vulnerability where CLI input parsing allows validation bypass...