SUSE CVE-2026-88810

A privilege escalation issue was discovered in Rancher Manager's role-based access control. The inheritedNamespacedRules field of a GlobalRole propagates permissions into named namespaces of every downstream cluster managed by the Rancher instance, but it was not subject to the privilege-escalati...

CVE-2026-88810 Privilege escalation in downstream clusters via GlobalRole inheritedNamespacedRules

A privilege escalation issue was discovered in Rancher Manager's role-based access control. The inheritedNamespacedRules field of a GlobalRole propagates permissions into named namespaces of every downstream cluster managed by the Rancher instance, but it was not subject to the privilege-escalati...

CVE-2026-88810

A privilege escalation vulnerability exists in the Rancher Manager role-based access control system. The inheritedNamespacedRules field of a GlobalRole propagates permissions into named namespaces across all managed downstream clusters but lacks the privilege-escalation validation applied to othe...

CVE-2026-88810 Privilege escalation in downstream clusters via GlobalRole inheritedNamespacedRules

A privilege escalation issue was discovered in Rancher Manager's role-based access control. The inheritedNamespacedRules field of a GlobalRole propagates permissions into named namespaces of every downstream cluster managed by the Rancher instance, but it was not subject to the privilege-escalati...

CVE-2026-88810 Privilege escalation in downstream clusters via GlobalRole inheritedNamespacedRules

A privilege escalation issue was discovered in Rancher Manager's role-based access control. The inheritedNamespacedRules field of a GlobalRole propagates permissions into named namespaces of every downstream cluster managed by the Rancher instance, but it was not subject to the privilege-escalati...

CVE-2026-44945

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...

CVE-2026-44945

CVE-2026-44945 is a privilege escalation in Rancher’s impersonation middleware (pkg/auth/requests/impersonate.go). An authenticated user with the default global role can obtain full admin access to the Rancher control plane and downstream clusters. Affected: Rancher 2.11.0–2.11.15, 2.12.0–2.12.11...

EUVD-2026-53298

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...

CVE-2026-44945

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...

CVE-2026-44945 Cross-Cluster Impersonation Confused-Deputy Privilege Escalation

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...

PT-2026-68090

Name of the Vulnerable Software and Affected Versions Rancher versions 2.11.0 through 2.11.15 Rancher versions 2.12.0 through 2.12.11 Rancher versions 2.13.0 through 2.13.7 Rancher versions 2.14.0 through 2.14.1 Description A privilege escalation issue exists in the impersonation middleware locat...

PT-2026-55201

Name of the Vulnerable Software and Affected Versions SUSE Rancher Fleet versions prior to 0.15.2 SUSE Rancher Fleet versions prior to 0.14.6 SUSE Rancher Fleet versions prior to 0.13.11 SUSE Rancher Fleet versions prior to 0.12.15 Description Missing validation of valuesFrom references in the He...

Improper Authorization

Fleet is vulnerable to Improper Authorization. The vulnerability is due to incomplete application of ServiceAccount impersonation in certain Helm deployer code paths, which allows an attacker with git push access to read secrets from arbitrary namespaces on downstream clusters...

CVE-2026-41050

Fleet's Helm deployer did not fully apply ServiceAccount impersonation in two code paths, allowing a tenant with git push access to a Fleet-monitored repository to read secrets from any namespace on every downstream cluster targeted by their GitRepo...

CVE-2026-41050

Fleet's Helm deployer did not fully apply ServiceAccount impersonation in two code paths, allowing a tenant with git push access to a Fleet-monitored repository to read secrets from any namespace on every downstream cluster targeted by their GitRepo...

CVE-2026-41050 Helm impersonation bypass of `RESTClientGetter` retains `cluster-admin` during template rendering

Fleet's Helm deployer did not fully apply ServiceAccount impersonation in two code paths, allowing a tenant with git push access to a Fleet-monitored repository to read secrets from any namespace on every downstream cluster targeted by their GitRepo...

CVE-2026-41050 Helm impersonation bypass of `RESTClientGetter` retains `cluster-admin` during template rendering

Fleet's Helm deployer did not fully apply ServiceAccount impersonation in two code paths, allowing a tenant with git push access to a Fleet-monitored repository to read secrets from any namespace on every downstream cluster targeted by their GitRepo...

Fleet security vulnerabilities

Fleet is an open-source device management platform developed by Fleet Device Management. It supports various operating systems and devices, and helps IT and security teams with device management, vulnerability reporting, MDM operations, etc. There is a security vulnerability in Fleet, which stems...

GHSA-6X34-89P7-95WG Rancher has downstream cluster privilege escalation through cluster and project role template binding (CRTB/PRTB)

Impact An issue was discovered in Rancher versions up to and including 2.5.15 and 2.6.6 where a flaw with authorization logic allows privilege escalation through cluster role template binding CRTB and project role template binding PRTB. This issue does not affect the local cluster, it affects onl...

Rancher has downstream cluster privilege escalation through cluster and project role template binding (CRTB/PRTB)

Impact An issue was discovered in Rancher versions up to and including 2.5.15 and 2.6.6 where a flaw with authorization logic allows privilege escalation through cluster role template binding CRTB and project role template binding PRTB. This issue does not affect the local cluster, it affects onl...