CVE-2026-101919 HyperShift Operator - Remote Code Execution

HyperShift operator contains a remote code execution caused by copying user-provided kubeconfig secrets without validation into privileged control plane namespace, letting authenticated users with cluster and secret creation permissions execute arbitrary code, exploit requires cluster and secret creation permissions.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.42% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
5 October 2026
Updated
15 October 2026
Weakness
CWE-20

Vendor fix

Update to the latest version with proper validation and sanitization of kubeconfig secrets.

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

← All CVEs