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9.1 Critical

CVE-2026-44945 A privilege escalation vulnerability exists in Rancher's impersonation middleware (pkg/auth/requests/impersonate.go)

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.

Affected products and versions

Product Affected versions Fixed in
Rancher 2.14 2.14.0 → < 2.14.2 2.14.2
Rancher 2.13 2.13.0 → < 2.13.8 2.13.8
Rancher 2.12 2.12.0 → < 2.12.12 2.12.12
Rancher 2.11 2.11.0 → < 2.11.16 2.11.16

Other CVEs of Rancher

The 86 CVEs of Rancher →
CVE-2026-88811 Missing filtering in the SUSE Rancher Manager meta proxy could cause passed in rancher credentials to be leaked to cloud… 9.1 Critical CVE-2026-88810 A privilege escalation issue was discovered in Rancher Manager's role-based access control 7.2 High CVE-2026-88809 A security vulnerability exists in the SUSE Rancher Manager meta proxy endpoint (/meta/proxy) 7.6 High CVE-2026-94290 SUSE Rancher Fleet clusters reference a kubeconfig secret that the controller uses to install and manage a Fleet agent… 9.1 Critical
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