CVE-2026-44945 - Cross-Cluster Impersonation Confused-Deputy Privilege Escalation
CVE ID :CVE-2026-44945
Published : Aug. 5, 2026, 10:17 a.m. | 38 minutes ago
Description :A privilege escalation vulnerability exists in Rancher's impersonation middleware (pkg/auth/requests/impersonate.go). An authenticated Rancher user with the default user global role can gain full administrative access to the Rancher control plane and transitively to all downstream clusters it manages. This issue affects Rancher: from 2.11.0 before 2.11.16, from 2.12.0 before 2.12.12, from 2.13.0 before 2.13.8, and from 2.14.0 before 2.14.2.
Severity: 9.1 | CRITICAL
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Published : Aug. 5, 2026, 10:17 a.m. | 38 minutes ago
Description :A privilege escalation vulnerability exists in Rancher's impersonation middleware (pkg/auth/requests/impersonate.go). An authenticated Rancher user with the default user global role can gain full administrative access to the Rancher control plane and transitively to all downstream clusters it manages. This issue affects Rancher: from 2.11.0 before 2.11.16, from 2.12.0 before 2.12.12, from 2.13.0 before 2.13.8, and from 2.14.0 before 2.14.2.
Severity: 9.1 | CRITICAL
Visit the link for more details, such as CVSS details, affected products, timeline, and more...