CVE-2026-73266

Published: Ago 13, 2026 Last Modified: Ago 13, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,1
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: changed
Confidentiality: high
Integrity: low
Availability: none

Description

AI Translation Available

A flaw was found in the clusterclaims-controller component of Multicluster Engine (MCE). An authenticated tenant can exploit this vulnerability by manipulating ClusterClaim labels. This allows the tenant to force a cluster to join a ManagedClusterSet belonging to another tenant. Such unauthorized access could enable the injection of policies and workloads into other tenants' clusters.

441

Unintended Proxy or Intermediary ('Confused Deputy')

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Non-Repudiation Access Control
Potential Impacts:
Gain Privileges Or Assume Identity Hide Activities Execute Unauthorized Code Or Commands
Applicable Platforms
All platforms may be affected
View CWE Details
https://access.redhat.com/security/cve/CVE-2026-73266
https://access.redhat.com/security/cve/CVE-2026-73266
https://bugzilla.redhat.com/show_bug.cgi?id=2514217
https://bugzilla.redhat.com/show_bug.cgi?id=2514217