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CVE Watch7 oct 2026

CVE-2026-93538

A cross-tenant authorization issue was discovered in SUSE Rancher Fleet. During agent-initiated cluster registration, cluster labels supplie

CVSS

7.1

Alto

EPSS

0.2%

p6

KEV

—

Exploit Today

2

0-100

Publicado: 28 sept 2026 · Última mod.: 7 oct 2026 · CWE-290 · CWE-639

EPSS · 30d

0.2%EPSS · 30 días0.2%

2026-09-292026-10-25

Descripción técnica

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.

Referencias oficiales

github.comhttps://github.com/rancher/fleet/security/advisories/GHSA-h9p5-fp5h-qpqr

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