CVE-2026-65016 n8n before 1.123.64, 2.29.8, and 2.30.1 Privilege Escalation via SSO Instance-Role

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a privilege escalation vulnerability in Enterprise SSO instance-role provisioning. The provisioning path maps an IdP-asserted role claim to an n8n global role but does not prevent assignment of the global:owner role unlike the token-exchang...

CVE-2026-65016

CVE-2026-65016 affects n8n versions before 1.123.64, 2.29.8, and 2.30.1. The issue lies in Enterprise SSO instance-role provisioning: the IdP-asserted role claim is mapped to an n8n global role without preventing assignment of the global:owner role. Consequently, an SSO-authenticated user whose i...

CVE-2026-65015 n8n before 2.30.1 Privilege Escalation via run_node_tool

n8n versions before 2.30.1 contain a privilege escalation vulnerability in the AI Agents feature where the node-execution tool lacks proper authorization checks. A Project Viewer user can escalate privileges by chatting with an agent that has node tools enabled, executing arbitrary nodes and...

CVE-2026-65016 n8n before 1.123.64, 2.29.8, and 2.30.1 Privilege Escalation via SSO Instance-Role

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a privilege escalation vulnerability in Enterprise SSO instance-role provisioning. The provisioning path maps an IdP-asserted role claim to an n8n global role but does not prevent assignment of the global:owner role unlike the token-exchang...

CVE-2026-65015 n8n before 2.30.1 Privilege Escalation via run_node_tool

n8n versions before 2.30.1 contain a privilege escalation vulnerability in the AI Agents feature where the node-execution tool lacks proper authorization checks. A Project Viewer user can escalate privileges by chatting with an agent that has node tools enabled, executing arbitrary nodes and...

CVE-2026-65015

n8n versions before 2.30.1 contain a privilege escalation vulnerability in the AI Agents feature where the node-execution tool lacks proper authorization checks. A Project Viewer user can escalate privileges by chatting with an agent that has node tools enabled, executing arbitrary nodes and...

EUVD-2026-47632

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a privilege escalation vulnerability in Enterprise SSO instance-role provisioning. The provisioning path maps an IdP-asserted role claim to an n8n global role but does not prevent assignment of the global:owner role unlike the token-exchang...

CVE-2026-65015

CVE-2026-65015 affects n8n and is exploitable in versions before 2.30.1 through the AI Agents feature. The issue arises because the node-execution tool does not perform proper authorization checks, enabling a Project Viewer user to escalate privileges by chatting with an agent that has node tools...

CVE-2026-65016 n8n before 1.123.64, 2.29.8, and 2.30.1 Privilege Escalation via SSO Instance-Role

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a privilege escalation vulnerability in Enterprise SSO instance-role provisioning. The provisioning path maps an IdP-asserted role claim to an n8n global role but does not prevent assignment of the global:owner role unlike the token-exchang...

EUVD-2026-47630

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-2026-65014

n8n prior to 2.28.0 (and 2.27.x before 2.27.4) exposes DELETE /${restEndpoint}/test-webhook/:id before authentication, enabling an unauthenticated network caller who knows a workflow ID to cancel the active test webhook registration. The impact is limited to disrupting in-progress test sessions; ...

PT-2026-63351

n8n versions before 1.123.64 contain a server-side request forgery vulnerability in the dynamic-node-parameters endpoints that lack authorization scopes. Authenticated attackers can supply absolute URLs in routing configuration to override baseURL restrictions and make the n8n server issue HTTP...

PT-2026-63352

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...

PT-2026-63357

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a credential exposure vulnerability: when configured with a Google Service Account key, the full PEM private key was mistakenly placed in the JWT header's kid field intended only for a key identifier. Because JWT headers are Base64-encoded...

PT-2026-63348

n8n before 2.29.8 and 2.30.x before 2.30.1 does not enforce shell sandbox restrictions on Linux and Windows in the @n8n/computer-use package sandboxing was applied only on macOS. Shell commands executed by the tool run without any filesystem or network restrictions, allowing unrestricted access t...

PT-2026-63356

n8n before 1.123.64, 2.29.8, and 2.30.1 contains a TOCTOU race condition in the Git node's clone operation that allows authenticated users to bypass path restrictions by swapping a directory for a symlink after the path is validated but before the clone runs. This lets an attacker plant a crafted...

PT-2026-63346

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a privilege escalation vulnerability in Enterprise SSO instance-role provisioning. The provisioning path maps an IdP-asserted role claim to an n8n global role but does not prevent assignment of the global:owner role unlike the token-exchang...

PT-2026-63349

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-2026-63345

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.30.1 Description A privilege escalation issue exists in the AI Agents feature where the node-execution tool lacks proper authorization checks. A user with the Project Viewer role can escalate privileges by interacting...