What is CVE-2026-10840?

CVE-2026-10840 is a critical-severity vulnerability in Red Hat Builds For Openshift, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 9.6/10. Published 2026-06-04.

How severe is CVE-2026-10840?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Vulnerability in Red Hat Builds For Openshift

CVE-2026-10840

A flaw was found in the OpenShift Pipelines operator. The tekton-scheduler-rolebinding ClusterRoleBinding grants the system:authenticated group write access to Kueue and cert-manager custom resources via the tekton-scheduler-role ClusterRo…

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H.

Affected products

Red Hat Builds For Openshift
Red Hat Openshift Pipelines

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2026-10840?: CVE-2026-10840 is a critical-severity vulnerability in Red Hat Builds For Openshift, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 9.6/10. Published 2026-06-04.
How severe is CVE-2026-10840?: Critical severity. CVSS v3 base score is 9.6 out of 10.