CVE-2026-65594 n8n before 2.30.1 Missing OAuth Authorization Check

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 was introduced does not verify that the authenticated user has access to the workflow referenced as the OAuth resource. On instances with at least one active MCP Server Trigger...

CVE-2026-65594

n8n (versions affected: before 2.29.8 and 2.30.x before 2.30.1; affected since 2.27.0) has an OAuth 2.1 flow where authentication does not verify that the user has access to the referenced workflow used as the OAuth resource. On systems with an active MCP Server Trigger workflow configured for n8...

CVE-2026-65592 n8n before 1.123.64 Stored DOM XSS via cachedResultUrl

n8n before 1.123.64, 2.29.8, and 2.30.1 contains a stored DOM cross-site scripting vulnerability in the Resource Locator component, which passes the workflow-persisted cachedResultUrl parameter to window.open without scheme validation. An attacker with workflow creation/editing privileges can cra...

CVE-2026-65592

n8n before 1.123.64, 2.29.8, and 2.30.1 contains a stored DOM cross-site scripting vulnerability in the Resource Locator component, which passes the workflow-persisted cachedResultUrl parameter to window.open without scheme validation. An attacker with workflow creation/editing privileges can cra...

CVE-2026-65592 n8n before 1.123.64 Stored DOM XSS via cachedResultUrl

n8n before 1.123.64, 2.29.8, and 2.30.1 contains a stored DOM cross-site scripting vulnerability in the Resource Locator component, which passes the workflow-persisted cachedResultUrl parameter to window.open without scheme validation. An attacker with workflow creation/editing privileges can cra...

CVE-2026-65592 n8n before 1.123.64 Stored DOM XSS via cachedResultUrl

n8n before 1.123.64, 2.29.8, and 2.30.1 contains a stored DOM cross-site scripting vulnerability in the Resource Locator component, which passes the workflow-persisted cachedResultUrl parameter to window.open without scheme validation. An attacker with workflow creation/editing privileges can cra...

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...

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...

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...

CVE-2026-65591

n8n before 1.123.64 is affected by a sanitizer bypass in the legacy expression evaluator’s computed-member handler. An authenticated user with workflow create/modify permissions can craft a malicious expression to bypass the sanitizer and achieve host-level code execution in the n8n process. The ...

EUVD-2026-47633

n8n versions before 1.123.64 fail to properly mask custom HTTP header credentials in LLM sub-node execution data, writing plaintext API keys and secrets to workflow execution records. Authenticated users with access to execution data can read exposed header values and credentials that persist in...

CVE-2026-65014 n8n before 2.28.0 Authentication Bypass via test-webhook

n8n before 2.28.0 and before 2.27.4 on the 2.27.x branch registers the DELETE /$restEndpoint/test-webhook/:id endpoint before authentication middleware is applied, allowing any unauthenticated network caller who knows a workflow ID to cancel that workflow's active test webhook registration. The...

CVE-2026-65014 n8n before 2.28.0 Authentication Bypass via test-webhook

n8n before 2.28.0 and before 2.27.4 on the 2.27.x branch registers the DELETE /$restEndpoint/test-webhook/:id endpoint before authentication middleware is applied, allowing any unauthenticated network caller who knows a workflow ID to cancel that workflow's active test webhook registration. The...

CVE-2026-2406

An authorization bypass in Universe Software's Online Registration and Workflow Management System (through 12022026) is reported as CVE-2026-2406. The vulnerability stems from a user-controlled key, enabling unauthorized access. CVSS v3.1 vector: AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N; base score 6....

CVE-2026-2406 IDOR in Universe Software's Online Registration and Workflow Management System

Authorization bypass through User-Controlled key vulnerability in Universe Software Computer Marketing Trade and Industry Inc. Online Registration and Workflow Management System allows Exploiting Trust in Client. This issue affects Online Registration and Workflow Management System: through...

EUVD-2026-47621

Authorization bypass through User-Controlled key vulnerability in Universe Software Computer Marketing Trade and Industry Inc. Online Registration and Workflow Management System allows Exploiting Trust in Client. This issue affects Online Registration and Workflow Management System: through...

CVE-2026-2406 IDOR in Universe Software's Online Registration and Workflow Management System

Authorization bypass through User-Controlled key vulnerability in Universe Software Computer Marketing Trade and Industry Inc. Online Registration and Workflow Management System allows Exploiting Trust in Client. This issue affects Online Registration and Workflow Management System: through...

CVE-2026-2406

Authorization bypass through User-Controlled key vulnerability in Universe Software Computer Marketing Trade and Industry Inc. Online Registration and Workflow Management System allows Exploiting Trust in Client. This issue affects Online Registration and Workflow Management System: through...

EUVD-2026-47580

Missing Authorization CWE-862 in Kibana can lead to unauthorized information disclosure via Privilege Abuse CAPEC-122. A user with limited feature privileges can access workflow execution outputs in their Kibana space without the authorization required to do so through the documented API. The...