CLEANSTART-2026-GA88871: security issue was discovered in kube-apiserver that could allow node updates to bypass a Validating Admission Webhook
Published Nov 5, 2026
·Updated
Security vulnerability affects the nfs-subdir-external-provisioner package. A security issue was discovered in kube-apiserver that could allow node updates to bypass a Validating Admission Webhook.
Affected Software
1 affected componentFixes available
cleanstart/nfs-subdir-external-provisioner<4.0.2-r4
4.0.2-r4
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
cleanstart/nfs-subdir-external-provisionerto a version that resolves this vulnerability.Fixed in 4.0.2-r4
Event History
Nov 5, 2026
Advisory Published
via OSV·08:10 AM
Data Sourced
via OSV·08:10 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
What access does an attacker need to exploit this issue?
The attack vector is network-based and requires high privileges. No user interaction is required, and the attack complexity is rated low.
2
What is the expected security impact if exploitation succeeds?
The vulnerability is rated as having high impact on integrity and availability, with no confidentiality impact indicated.