CVE-2026-68746 Livebook Teams identity check fails open when the deployment group is unresolvable, allowing unauthenticated access

Not Failing Securely 'Failing Open' vulnerability in livebook-dev livebook allows an unauthenticated network client to obtain full access to a Livebook server that enforces identity through Livebook Teams. A Livebook Agent or App Server connected to Livebook Teams caches the identifier of the...

CVE-2026-68746

Not Failing Securely 'Failing Open' vulnerability in livebook-dev livebook allows an unauthenticated network client to obtain full access to a Livebook server that enforces identity through Livebook Teams. A Livebook Agent or App Server connected to Livebook Teams caches the identifier of the...

CVE-2026-68746 Livebook Teams identity check fails open when the deployment group is unresolvable, allowing unauthenticated access

Not Failing Securely 'Failing Open' vulnerability in livebook-dev livebook allows an unauthenticated network client to obtain full access to a Livebook server that enforces identity through Livebook Teams. A Livebook Agent or App Server connected to Livebook Teams caches the identifier of the...

CVE-2026-68746

Livebook CVE-2026-68746 causes failing-open identity enforcement: if a deployment group ID becomes unresolvable (e.g., deleted while an agent is disconnected), the client may treat enforcement as off and grant unauthenticated network clients full access to the Livebook server (read notebooks/secr...