n8n: Member-Level Users Can Execute Other Users' MCP Server Trigger Workflows via Missing OAuth Authorization Check

Impact The OAuth 2.1 consent and token-issuance flow introduced in n8n 2.27.0 does not verify that the authenticated user has access to the workflow referenced as the OAuth resource. A member-level user can register an OAuth client, self-approve consent for another user's n8n OAuth2-protected MCP...

NPM: n8n: Member-Level Users Can Execute Other Users' MCP Server Trigger Workflows via Missing OAuth Authorization Check

NPM: n8n: Member-Level Users Can Execute Other Users' MCP Server Trigger Workflows via Missing OAuth Authorization Check vulnerability discovered by ? in WordPress Npm n8n versions 2.29.8...

CVE-2026-59207: Protection Mechanism Failure

n8n is an open source workflow automation platform. Prior to 2.27.4 and 2.28.1, the AI Agents feature did not enforce the Allowed HTTP Request Domains restriction configured on credentials when an MCP tool was pointed at an arbitrary URL, allowing a member-level user with use-only access to a...

CVE-2026-54307: Incorrect Authorization

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, a member-level user with editor access to a shared workflow could reference credentials they do not own via specific public API endpoints. Credential ownership checks were only enforced partially leading to...

CVE-2025-46702: Incorrect Authorization

Mattermost versions 10.5.x = 10.5.5, 9.11.x = 9.11.15, 10.8.x = 10.8.0, 10.7.x = 10.7.2, 10.6.x = 10.6.5 fail to properly enforce channel member management permissions when adding participants to playbook runs. This allows authenticated users with member-level permissions to bypass system admin...

CVE-2025-46343

n8n is a workflow automation platform. Prior to version 1.90.0, n8n is vulnerable to stored cross-site scripting XSS through the attachments view endpoint. n8n workflows can store and serve binary files, which are accessible to authenticated users. However, there is no restriction on the MIME typ...

FunAdmin SQL注入漏洞

FunAdmin is FunAdmin open source based on ThinkPHP6 + Layui development of a lightweight high-profile back-end development system . Funadmin version 3.2.0 there is a security vulnerability , the vulnerability stems from the memberMemberLevel.php selectFields parameter found to contain SQL injecti...

SQL Injection Vulnerability in Edit Member Level on Tpshop Us***.php Page

Tpshop is a set of multi-merchant mode developed by Shenzhen Soleil Networks Limited mall system. A SQL injection vulnerability exists in the edit member level of the Tpshop Us.php page. Attackers can use the vulnerability to obtain sensitive information in the database...