CVE-2026-94290 SUSE Rancher Fleet - Broken Access Control

SUSE Rancher Fleet 0.13.0 to 0.16.3 contains a broken access control vulnerability caused by insufficient restriction on kubeconfig secret references, letting ordinary users escalate privileges to manage the cluster with administrative credentials.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Published
2 November 2026
Updated
3 November 2026
Weakness
CWE-250

Vendor fix

Update to a version later than 0.16.3 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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