CVE record · CVE-2026-16242

Hypershift: konnectivity proxy-server accepts agent connections without validating client certificates

CVSS 9.4 CriticalCriticalEPSS 0.0092 · 60th percentile

Critical, because:

CVSS score 9.4: 9.0 or more.

Published by the CVE Program (CNA: redhat) at 20 Jul 2026, 07:33 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	multicluster engine for Kubernetes 2.1 Package name: multicluster-engine/hypershift-rhel9-operator https://catalog.redhat.com/software/containers/	unaffected 1784905766 to before * rpm Other versions: affected
Red Hat	multicluster engine for Kubernetes 2.1 Package name: multicluster-engine/hypershift-rhel9-operator https://catalog.redhat.com/software/containers/	unaffected 1784905766 to before * rpm Other versions: affected
Red Hat	multicluster engine for Kubernetes 2.11 Package name: multicluster-engine/hypershift-rhel9-operator https://catalog.redhat.com/software/containers/	unaffected 1784945966 to before * rpm Other versions: affected
Red Hat	multicluster engine for Kubernetes 2.17 Package name: multicluster-engine/hypershift-rhel9-operator https://catalog.redhat.com/software/containers/	unaffected 1784856942 to before * rpm Other versions: affected
Red Hat	multicluster engine for Kubernetes 2.6 Package name: multicluster-engine/hypershift-rhel9-operator https://catalog.redhat.com/software/containers/	unaffected 1784905804 to before * rpm Other versions: affected
Red Hat	multicluster engine for Kubernetes 2.8 Package name: multicluster-engine/hypershift-rhel9-operator https://catalog.redhat.com/software/containers/	unaffected 1784905783 to before * rpm Other versions: affected
Red Hat	multicluster engine for Kubernetes 2.9 Package name: multicluster-engine/hypershift-rhel9-operator https://catalog.redhat.com/software/containers/	unaffected 1784905769 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.14 Package name: openshift4/ose-hypershift-rhel8 https://catalog.redhat.com/software/containers/	unaffected 1787001690 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.15 Package name: openshift4/ose-hypershift-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787055132 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.16 Package name: openshift4/ose-hypershift-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1785534428 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.17 Package name: openshift4/ose-hypershift-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1784914869 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.18 Package name: openshift4/ose-hypershift-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1784912882 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.19 Package name: openshift4/ose-hypershift-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1784913720 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.20 Package name: openshift4/ose-hypershift-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1785288843 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.21 Package name: openshift4/ose-hypershift-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1785301941 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.22 Package name: openshift4/ose-hypershift-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1785192936 to before * rpm Other versions: affected
Red Hat	Logging Subsystem for Red Hat OpenShift Package name: openshift-logging/cluster-logging-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Multicluster Engine for Kubernetes Package name: multicluster-engine/cluster-curator-controller-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Multicluster Engine for Kubernetes Package name: multicluster-engine/hypershift-addon-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Multicluster Engine for Kubernetes Package name: multicluster-engine/hypershift-cli-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Multicluster Engine for Kubernetes Package name: multicluster-engine/managedcluster-import-controller-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	OpenShift API for Data Protection Package name: oadp/oadp-hypershift-velero-plugin-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	OpenShift API for Data Protection Package name: oadp/oadp-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2 Package name: rhacm2/acm-multicluster-observability-addon-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2 Package name: rhacm2/acm-must-gather-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2 Package name: rhacm2/endpoint-monitoring-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2 Package name: rhacm2/grafana-dashboard-loader-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2 Package name: rhacm2/metrics-collector-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2 Package name: rhacm2/multicluster-observability-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2 Package name: rhacm2/rbac-query-proxy-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/ose-aws-ebs-csi-driver-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/ose-aws-efs-csi-driver-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/ose-azure-disk-csi-driver-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/ose-azure-file-csi-driver-operator-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/ose-cluster-csi-snapshot-controller-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/ose-cluster-network-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/ose-cluster-network-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/ose-cluster-node-tuning-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/ose-cluster-storage-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/ose-csi-driver-manila-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected

And 3 more products. The full list is on the CVE record.

Identifiers: CVE-2026-16242
CNA: redhat
Weakness (CWE): CWE-306
Tags: Red Hat multicluster engine for Kubernetes 2.1
Red Hat multicluster engine for Kubernetes 2.11
Red Hat multicluster engine for Kubernetes 2.17
Red Hat multicluster engine for Kubernetes 2.6
Red Hat multicluster engine for Kubernetes 2.8
Red Hat multicluster engine for Kubernetes 2.9
Red Hat OpenShift Container Platform 4.14
Red Hat OpenShift Container Platform 4.15
Authentication bypass
Published: 20 Jul 2026
Updated: 14 Sept 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.4	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0092, the 60th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 20 Jul 2026. New records show when each source confirmed them.

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:46885 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:47388 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:47728 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:47735 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:47949 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:47953 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:47974 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:48284 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:48657 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:48670 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:48676 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:48693 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:48699 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:50758 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:56789 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:56912 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2026-16242 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2502690 issue-trackingredhat
github.com/openshift/hypershift/pull/9031

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.