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      <title>CVE-2026-88808 — Fleet agent copies downstream resources with cluster-admin privileges, allowing cross-namespace writes on downstream cl…</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-88808</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; SUSE Rancher&lt;/p&gt;
&lt;p&gt;A vulnerability has been identified within Rancher Manager where the Fleet agent wrote resources to downstream clusters using its own cluster-admin credentials instead of the ServiceAccount pinned to the deployment. It affects multi-tenancy environments where different tenants share the same downstream clusters, for example different privileged or untrusted teams inside the same organization. This could lead to overwritten configuration files.&lt;/p&gt;
&lt;p&gt;This issue affected SUSE Rancher Fleet 0.16 before 0.16.2, 0.15 before 0.15.7, and 0.14 before 0.14.11.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; SUSE Rancher&lt;/p&gt;
&lt;p&gt;A vulnerability has been identified within Rancher Manager where the Fleet agent wrote resources to downstream clusters using its own cluster-admin credentials instead of the ServiceAccount pinned to the deployment. It affects multi-tenancy environments where different tenants share the same downstream clusters, for example different privileged or untrusted teams inside the same organization. This could lead to overwritten configuration files.&lt;/p&gt;
&lt;p&gt;This issue affected SUSE Rancher Fleet 0.16 before 0.16.2, 0.15 before 0.15.7, and 0.14 before 0.14.11.&lt;/p&gt;</content:encoded>
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