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...

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Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-q5xf-xhwf-cwqf.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...

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Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-q5xf-xhwf-cwqf.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...

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...

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...

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 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-2026-65591 n8n before 1.123.64 Sanitizer Bypass Remote Code Execution

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...

CVE-2026-65591

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...

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...

CVE-2026-65591: Improper Neutralization of Special Elements used in an Expression Language Statement

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...

PT-2026-63438

Name of the Vulnerable Software and Affected Versions Onlook versions prior to 0.2.32 Description An issue exists where authenticated attackers can access and manipulate resources belonging to other users. This occurs because the tRPC API procedures project.get, member.remove, and...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the org-level Actions REST API endpoints, which lack per-repository access control checks. An attacker can access sensitive workflow metadata from private repositories by sending authenticated requests as an...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the org-level Actions REST API endpoints, which lack per-repository access control checks. An attacker can access sensitive workflow metadata from private repositories by sending authenticated requests as an...

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...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the ListMembers. An attacker can access the full list of members, including private members, of a private organization by sending authenticated requests to the /orgs/org/members API endpoint. Remediation...