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CVE PROGRAM SOURCE RECORD9.1 Critical

CVE-2026-44945

Cross-Cluster Impersonation Confused-Deputy Privilege Escalation

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Status
Published
Published
Updated
Assigning organization
suse

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

SUSE Rancher

Default version status: unaffected

  • 2.11.0 to < 2.11.16affected
  • 2.12.0 to < 2.12.12affected
  • 2.13.0 to < 2.13.8affected
  • 2.14.0 to < 2.14.2affected

References