Cross-site Scripting (XSS)

Overview n8n is a n8n Workflow Automation Tool Affected versions of this package are vulnerable to Cross-site Scripting XSS in the HTML preview, which renders execution output into an iframe srcdoc without the sandbox attribute. An attacker can execute arbitrary scripts in the context of the...

GHSA-5VFW-JC4P-FJ39 Duplicate Advisory: Member-Level Users Can Execute Other Users' MCP Server Trigger Workflows via Missing OAuth Authorization Check

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-q5xf-xhwf-cwqf. This link is maintained to preserve external references. Original Description n8n before 2.29.8 and 2.30.x before 2.30.1 affected from 2.27.0, when the OAuth 2.1 consent and token-issuance flow w...

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

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-q5xf-xhwf-cwqf. This link is maintained to preserve external references. Original Description n8n before 2.29.8 and 2.30.x before 2.30.1 affected from 2.27.0, when the OAuth 2.1 consent and token-issuance flow w...

CVE-2026-65597

n8n before 1.123.64, 2.x before 2.29.8, and before 2.30.1 contains a DOM-based cross-site scripting vulnerability in the HTML preview, which renders execution output into an iframe srcdoc without the sandbox attribute. A sanitizer bypass allows injected script to execute same-origin as the editor...

CVE-2026-65597

Summary: The CVE affects n8n prior to 1.123.64 and 2.x prior to 2.29.8, and before 2.30.1. Vulnerability: DOM-based XSS in the HTML preview that renders output into an iframe srcdoc without the sandbox attribute, enabling a sanitizer bypass and same-origin script execution as the editor. Impact: ...

CVE-2026-65597 n8n before 1.123.64 DOM-Based XSS via Unsandboxed iframe

n8n before 1.123.64, 2.x before 2.29.8, and before 2.30.1 contains a DOM-based cross-site scripting vulnerability in the HTML preview, which renders execution output into an iframe srcdoc without the sandbox attribute. A sanitizer bypass allows injected script to execute same-origin as the editor...

CVE-2026-65597

n8n before 1.123.64, 2.x before 2.29.8, and before 2.30.1 contains a DOM-based cross-site scripting vulnerability in the HTML preview, which renders execution output into an iframe srcdoc without the sandbox attribute. A sanitizer bypass allows injected script to execute same-origin as the editor...

CVE-2026-65597 n8n before 1.123.64 DOM-Based XSS via Unsandboxed iframe

n8n before 1.123.64, 2.x before 2.29.8, and before 2.30.1 contains a DOM-based cross-site scripting vulnerability in the HTML preview, which renders execution output into an iframe srcdoc without the sandbox attribute. A sanitizer bypass allows injected script to execute same-origin as the editor...

EUVD-2026-47641

n8n before 1.123.64, 2.x before 2.29.8, and before 2.30.1 contains a DOM-based cross-site scripting vulnerability in the HTML preview, which renders execution output into an iframe srcdoc without the sandbox attribute. A sanitizer bypass allows injected script to execute same-origin as the editor...

EUVD-2026-47635

n8n contains a sanitizer bypass vulnerability in the legacy expression evaluator's computed-member handler. An authenticated user with workflow create or modify permissions can craft a malicious expression to bypass the sanitizer and achieve host-level code execution as the n8n process. The legac...

Plone 3.3.x < 4.3.7 Multiple Vulnerabilities (HF 20150910)

The version of Plone installed on the remote host is 3.3.x prior to 4.3.7. It is, therefore, affected by the following vulnerabilities: - Plone allows remote attackers to add a new member to a Plone site with registration enabled, without acknowledgment of site administrator CVE-2015-7315 -...

Plone 2.0.x < 2.1.3 Insecure Access Control

The version of Plone installed on the remote host is 2.0.x prior to 2.1.3. It is, therefore, affected by an insecure access control due to not restricting access to the changeMemberPortrait, deletePersonalPortrait, and testCurrentPassword methods. An unauthenticated, remote attacker can exploit...

Gitea: Private org member list leaked via /members API endpoint — incomplete fix for PR #38145

Summary PR 38145 fixed ListPublicMembers and IsPublicMember but missed ListMembers. Any authenticated user can enumerate ALL members not just public ones of a private organization. Affected Versions = v1.26.4 latest and main branch Root Cause routers/api/v1/org/member.go — ListMembers: // Missing...

CVE-2026-65055 Taiga taiga-back Private Project Member Roster Disclosure via Unauthenticated filters_data Endpoints

Taiga 6.10.1 contains a missing authorization vulnerability that allows unauthenticated attackers to disclose the full member roster and internal workflow configuration of any private project by supplying a project ID to the filtersdata API endpoints on UserStory, Task, Issue, and Epic viewsets...

CVE-2026-47413

PraisonAI Platform is the platform layer for the PraisonAI multi-agent teams system. Versions prior to 0.1.4 have aprivilege escalation / cross-tenant member injection. The POST /workspaces/workspaceid/members endpoint is gated only by requireworkspacememberworkspaceid default minrole="member" an...

CVE-2026-47412

PraisonAI Platform is the platform layer for the PraisonAI multi-agent teams system. Versions prior to 0.1.4 have an authorization bypass enabling destructive action. The DELETE /workspaces/workspaceid endpoint is gated only by requireworkspacememberworkspaceid default minrole="member". Any membe...

EUVD-2026-46349

HumHub is an Open Source Enterprise Social Network. In versions 1.13.0 through 1.18.2, a missing authorization check in the Space member management controller allowed any authenticated user to trigger the removal of all members from any Space, regardless of their own role or membership in that...

CVE-2026-47657 HumHub Missing Authorization on Remove All Space Members Action

HumHub is an Open Source Enterprise Social Network. In versions 1.13.0 through 1.18.2, a missing authorization check in the Space member management controller allowed any authenticated user to trigger the removal of all members from any Space, regardless of their own role or membership in that...

CVE-2026-47416 praisonai-platform: Any workspace member can promote themselves (or any other member) to owner via PATCH /workspaces/{id}/members/{user_id}

PraisonAI Platform is the platform layer for the PraisonAI multi-agent teams system. Versions prior to 0.1.4 are vulnerable to vertical privilege escalation. The PATCH /workspaces/workspaceid/members/userid endpoint is gated by requireworkspacememberworkspaceid, which defaults to minrole="member"...

CVE-2026-47407

PraisonAI Platform is the platform layer for the PraisonAI multi-agent teams system. Prior to version 0.1.4, the Platform server exposes resources under /api/v1/workspaces/workspaceid/... and protects them with a requireworkspacememberworkspaceid FastAPI dependency. The dependency only checks tha...