critical9.1
CVE-2026-44945
A privilege escalation vulnerability exists in Rancher's impersonation middleware (pkg/auth/requests/impersonate.go).
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| 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. |
Versions were read from the advisory text. No structured product data has been published for this record yet.