CVE-2026-44945: Suse Rancher

Critical severity, CVSS 9.1. EPSS: 0.6% chance of exploitation in the next 30 days.

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

• Suse Rancher: from 2.11.0, before 2.11.16 (fixed in 2.11.16); from 2.12.0, before 2.12.12 (fixed in 2.12.12); from 2.13.0, before 2.13.8 (fixed in 2.13.8); from 2.14.0, before 2.14.2 (fixed in 2.14.2)

Published 2026-08-05. Last modified 2026-09-01.