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...

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...