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BDVDB
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Vulnerabilities

CVE-2026-93538 | BDVDB-2026-380239 Detail

SUSERancher

Description#

A cross-tenant authorization issue was discovered in SUSE Rancher Fleet. During agent-initiated cluster registration, cluster labels supplied by the registering agent, including labels in the reserved management.cattle.io/ namespace such as the cluster display name label, were applied to the resulting upstream Cluster object. Because Fleet resolves GitRepo and Bundle targets from those cluster labels, a party able to register a cluster into a Fleet workspace namespace shared with other tenants could cause its own cluster to satisfy targeting rules that administrators intended for a different cluster. This affects SUSE Rancher Fleet 0.16 before 0.16.1, 0.15 before 0.15.6, 0.14 before 0.14.10, 0.13 before 0.13.15, 0.12 before 0.12.19 and older versions.

Impact#

CAPEC-122 Privilege Abuse

Weaknesses#

  • CWE-290 Authentication bypass by spoofing
  • CWE-639 Authorization Bypass Through User-Controlled Key

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.