A serious authentication bypass vulnerability has been uncovered in etcd, the distributed key-value store widely used as core infrastructure in Kubernetes and other distributed systems. The flaw, tracked as CVE-2026-33413 (CVSS 8.8), could allow unauthorized users to directly invoke sensitive cluster management APIs and perform privileged operations without valid credentials. The vulnerability was discovered by […] The post Critical etcd Auth Bypass Flaw Lets Attackers Access Sensitive Cluster APIs Without Authorization appeared first on Cyber Security News.