CVE-2026-16242
Last modified
CVE-2026-16242 is a critical-severity vulnerability rated 9.4/10 on the CVSS scale. A flaw was found in the Konnectivity proxy-server configuration for hosted control planes. The agent-facing listener was started without --cluster-ca-cert (and without token-based agent authentication), so client certificates were not validated. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
A flaw was found in the Konnectivity proxy-server configuration for hosted control planes. The agent-facing listener was started without --cluster-ca-cert (and without token-based agent authentication), so client certificates were not validated. A remote attacker who can reach the Konnectivity cluster endpoint could connect as an unauthenticated agent, join the routing pool, and potentially proxy, inspect, modify, or drop control-plane-to-node traffic.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | multicluster engine for Kubernetes 2.10 | All versions |
| Red Hat | multicluster engine for Kubernetes 2.11 | All versions |
| Red Hat | multicluster engine for Kubernetes 2.17 | All versions |
| Red Hat | multicluster engine for Kubernetes 2.6 | All versions |
| Red Hat | multicluster engine for Kubernetes 2.8 | All versions |
| Red Hat | multicluster engine for Kubernetes 2.9 | All versions |
| Red Hat | OpenShift API for Data Protection | All versions |
| Red Hat | Red Hat OpenShift Container Platform 4 | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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