CVE-2026-103259

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain a session token leakage vulnerability in the Dynamic Credentials authorize and revoke endpoints. Attackers with resolver registration capability can capture collaborators' session tokens by setting a fallback resolver to an...

CVE-2026-103259 n8n before 2.39.6 and 2.40.x before 2.40.1 Session Token Leak via Dynamic Credentials

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain a session token leakage vulnerability in the Dynamic Credentials authorize and revoke endpoints. Attackers with resolver registration capability can capture collaborators' session tokens by setting a fallback resolver to an...

CVE-2026-103259 n8n before 2.39.6 and 2.40.x before 2.40.1 Session Token Leak via Dynamic Credentials

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain a session token leakage vulnerability in the Dynamic Credentials authorize and revoke endpoints. Attackers with resolver registration capability can capture collaborators' session tokens by setting a fallback resolver to an...

CVE-2026-103259

The n8n application versions before 2.39.6 and 2.40.x before 2.40.1 are vulnerable to a session token leakage in the Dynamic Credentials authorize and revoke endpoints. Attackers who possess resolver registration capability can capture collaborators' session tokens by configuring a fallback resol...

CVE-2026-103259 n8n before 2.39.6 and 2.40.x before 2.40.1 Session Token Leak via Dynamic Credentials

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain a session token leakage vulnerability in the Dynamic Credentials authorize and revoke endpoints. Attackers with resolver registration capability can capture collaborators' session tokens by setting a fallback resolver to an...

EUVD-2026-90653

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain a session token leakage vulnerability in the Dynamic Credentials authorize and revoke endpoints. Attackers with resolver registration capability can capture collaborators' session tokens by setting a fallback resolver to an...

CVE-2026-103259: Incorrect Authorization

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain a session token leakage vulnerability in the Dynamic Credentials authorize and revoke endpoints. Attackers with resolver registration capability can capture collaborators' session tokens by setting a fallback resolver to an...

PT-2026-103792

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain a session token leakage vulnerability in the Dynamic Credentials authorize and revoke endpoints. Attackers with resolver registration capability can capture collaborators' session tokens by setting a fallback resolver to an...

Vulnerabilities handled in the n8n workflow automation platform

n8n has identified several vulnerabilities in the n8n workflow automation platform, particularly in versions 1.123.55, 2.24.0, 2.25.7, 2.26.1, and 2.26.2. These vulnerabilities affect various components of the n8n platform. Authorized users with workflow processing rights can exploit...

Authorization Bypass

Overview n8n is a n8n Workflow Automation Tool Affected versions of this package are vulnerable to Authorization Bypass in three Enterprise Edition Dynamic Credentials endpoints, which accept any authenticated session without performing per-resource ownership or scope checks. A user with any...

CVE-2026-54305

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, three EE endpoints used by the Dynamic Credentials feature accepted any authenticated n8n session without performing per-resource ownership or scope checks on the target workflow or credential. An...

CVE-2026-45732 n8n: Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints

n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, the OAuth1 and OAuth2 credential reconnect endpoints authorized access using credential:read rather than credential:update. An authenticated user with read-only access to a shared credential could initiate ...

CVE-2026-45732 n8n: Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints

n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, the OAuth1 and OAuth2 credential reconnect endpoints authorized access using credential:read rather than credential:update. An authenticated user with read-only access to a shared credential could initiate ...

CVE-2026-54305

CVE-2026-54305 affects n8n Enterprise instances using the Dynamic Credentials EE Endpoints. Prior to versions 1.123.55, 2.25.7, and 2.26.2, three Dynamic Credentials endpoints accepted any authenticated session without per-resource ownership or scope checks on the target workflow or credential. A...

CVE-2026-54305

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, three EE endpoints used by the Dynamic Credentials feature accepted any authenticated n8n session without performing per-resource ownership or scope checks on the target workflow or credential. An...

CVE-2026-54305 n8n: Cross-Tenant Credential Takeover via Dynamic Credentials EE Endpoints

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, three EE endpoints used by the Dynamic Credentials feature accepted any authenticated n8n session without performing per-resource ownership or scope checks on the target workflow or credential. An...

CVE-2026-54305 n8n: Cross-Tenant Credential Takeover via Dynamic Credentials EE Endpoints

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, three EE endpoints used by the Dynamic Credentials feature accepted any authenticated n8n session without performing per-resource ownership or scope checks on the target workflow or credential. An...

CVE-2026-54305 n8n: Cross-Tenant Credential Takeover via Dynamic Credentials EE Endpoints

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, three EE endpoints used by the Dynamic Credentials feature accepted any authenticated n8n session without performing per-resource ownership or scope checks on the target workflow or credential. An...

CVE-2026-54305: Exposure of Sensitive Information to an Unauthorized Actor

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, three EE endpoints used by the Dynamic Credentials feature accepted any authenticated n8n session without performing per-resource ownership or scope checks on the target workflow or credential. An...

GHSA-2J5H-858J-5MPF n8n: Cross-Tenant Credential Takeover via Dynamic Credentials EE Endpoints

Impact Three EE endpoints used by the Dynamic Credentials feature accepted any authenticated n8n session without performing per-resource ownership or scope checks on the target workflow or credential. An authenticated user with no project membership or credential sharing relationship could...