CVE WatchSep 8, 2026

CVE-2026-78234

A flaw was found in hawtio-operator. The operator reads the OpenShift Service CA private signing key from the openshift-service-ca namespace

CVSS

9.9

Critical

EPSS

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KEV

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Exploit Today

0-100

Published: Sep 8, 2026 · Last modified: Sep 8, 2026 · CWE-295

EPSS · 30d

Not enough EPSS history yet.

Technical description

A flaw was found in hawtio-operator. The operator reads the OpenShift Service CA private signing key from the openshift-service-ca namespace and uses it to mint client certificates with a Subject Common Name (CN) supplied by the author of a namespaced Hawtio custom resource. Because the operator ships a ClusterRole that aggregates Hawtio CR permissions into the edit and admin roles, any user with edit access in any namespace can obtain a Service-CA-signed certificate with an arbitrary subject. This certificate can be used to impersonate any in-cluster service identity to peers that trust the Service CA for client authentication, including Jolokia agents and other Service-CA-trusting components.

Official references

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2026-84197—

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——0Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.12h CVE-2026-799755.5 MED

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