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CVE-2026-66788: Red Hat Advanced Cluster Management for Kubernetes 2.17 (exact versions not specified)
CVE-2026-66788. EPSS 0.00448 (percentile 0.37051), scored 11-Oct-2026.
Affected technology
Red Hat Advanced Cluster Management for Kubernetes 2.17 · Exact affected versions not specified by the source
Red Hat
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required
What an attacker can do
The attacker can inject unauthorized EndpointSlices and ServiceImports into any namespace on peer clusters, including critical system namespaces like kube-system and openshift-*. Vendor/CNA’s CVSS 3.1 assessment (base score 9.9/10) rates confidentiality impact as low; integrity and availability impact as high.
- CWE
- CWE-1104
- CCR priority
- 0.1 /100 (P5)
- EPSS
- 0.00448 · percentile 0.37075 · 2026-10-12
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-13 01:52:16.607887+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-13 01:49:08.152775+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-66788.html