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CVE Vendors Products Updated CVSS v3.1
CVE-2026-55997 1 Rancher 1 Rancher 2026-08-05 8.8 High
Rancher issues long-lived registration tokens to authenticate nodes and agents joining a downstream cluster. These tokens were stored and exposed in plaintext with no expiration, so a malicious user could obtain one either through the Rancher API, etcd, stored automation, or direct file access on a node, and could use it at any time to register a rogue node into the cluster.