CVE-2026-62290: CVE-2026-62290: ClusterIssuer DNS01 Solver Policy Bypass and Credential Exfiltration in cert-manager
CVE-2026-62290: ClusterIssuer DNS01 Solver Policy Bypass and Credential Exfiltration in cert-manager Vulnerability ID: CVE-2026-62290 CVSS Score: 7.3 Published: 2026-10-29 CVE-2026-62290 is an incorrect authorization vulnerability (CWE-863) in cert-manager that allows low-privileged Kubernetes namespace tenants to bypass ClusterIssuer DNS01 solver policies and exfiltrate cluster-scoped DNS credentials.