n8n: Cross-User Active Workflow ID and Lifecycle Event Disclosure via Missing userId Filter

Impact The endpoint /rest/active-workflows returned every active workflow ID on the instance to any member, regardless of sharing, and workflow activation, deactivation and publication push events were broadcast to every connected client, carrying workflow IDs, version IDs and activation-error...

GHSA-65XW-2V52-JHXC n8n: Cross-User Active Workflow ID and Lifecycle Event Disclosure via Missing userId Filter

Impact The endpoint /rest/active-workflows returned every active workflow ID on the instance to any member, regardless of sharing, and workflow activation, deactivation and publication push events were broadcast to every connected client, carrying workflow IDs, version IDs and activation-error...

EUVD-2026-74269

n8n: Cross-User Active Workflow ID and Lifecycle Event Disclosure via Missing userId Filter...

CVE-2026-86994 n8n: Cross-User Active Workflow ID and Lifecycle Event Disclosure via Missing userId Filter

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the /rest/active-workflows endpoint returned every active workflow ID on the instance to any member regardless of sharing. Workflow activation, deactivation, and publication push events were also broadcast ...

PT-2026-88503

Impact The endpoint /rest/active-workflows returned every active workflow ID on the instance to any member, regardless of sharing, and workflow activation, deactivation and publication push events were broadcast to every connected client, carrying workflow IDs, version IDs and activation-error...