CVE-2026-44949

Summary: CVE-2026-44949 pertains to a vulnerability in the Rancher FleetWorkspace mutating webhook handled by the in-cluster rancher-webhook service. Affected versions: 0.7.0–0.7.10, 0.8.0–0.8.7, 0.9.0–0.9.6, and 0.10.0–0.10.7. Impact: An unauthenticated attacker with network access to the webhoo...

CVE-2026-44949 Unauthenticated namespace creation and RBAC injection via rancher-webhook FleetWorkspace mutating webhook

A Rancher FleetWorkspace admission path allowed side effects to occur in the Rancher webhook handler for versions 0.7.0 up to 0.7.10, 0.8.0 up to 0.8.7, 0.9.0 up to 0.9.6 and 0.10.0 up to 0.10.7. An unauthenticated attacker with network access to the in-cluster rancher-webhook service could submi...