CRITICAL 9.1 NVD
CVE-2026-44945
A privilege escalation vulnerability exists in Rancher's impersonation middleware (pkg/auth/requests/impersonate.go). An authenticated Rancher user with the def
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.
References
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-44945
- https://github.com/rancher/rancher/pull/55983
- https://github.com/rancher/rancher/security/advisories/GHSA-v584-7w32-jwpq
This critical severity vulnerability with a CVSS score of 9.1 was published on 2026-08-05 via NVD.
Risk Timeline
CVE Disclosed2026-08-05 · -1 days ago
Remediation Resources
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