CVE Watch3 sept 2026

CVE-2026-71404

A flaw was found in Rancher Manager. The GlobalRole controller derived the target ClusterRole name from the user-settable `authz.management.

CVSS

8.7

Alto

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 3 sept 2026 · Última mod.: 3 sept 2026 · CWE-639

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

A flaw was found in Rancher Manager. The GlobalRole controller derived the target ClusterRole name from the user-settable `authz.management.cattle.io/cr-name` annotation and overwrote that object's rules without verifying ownership. A user with delegated GlobalRole create or update permission could point the annotation at any existing ClusterRole, such as `cluster-admin`, and revoke the permissions of every principal bound to it. The change persists after the malicious GlobalRole is deleted. This issue affects Rancher: before 2.15.1.

Referencias oficiales

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