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  4. CVE 2026 10840 openshift pipelines operator rh openshift
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Back to active CVEs
High · CVSS 7.1CVE-2026-10840

Openshift-pipelines-operator-rh: openshift-pipelines-operator: tekton-scheduler-rolebinding grants system:authenticated write access to kueue and cert-manager resourcesCVE-2026-10840

Answer in brief

CVE-2026-10840 records a High severity (CVSS 7.1) vulnerability in Openshift-pipelines-operator-rh: openshift-pipelines-operator: tekton-scheduler-rolebinding grants system:authenticated write access to kueue and cert-manager resources. The current sources do not mark it as known exploited. The current feed maps Red Hat/openshift-pipelines/pipelines-operator-proxy-rhel9 (generic), Red Hat/openshift-pipelines/pipelines-operator-webhook-rhel8 (generic), Red Hat/openshift-pipelines/pipelines-operator-webhook-rhel9 (generic), Red Hat/openshift-pipelines/pipelines-rhel9-operator (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jun 4, 2026Updated Sep 7, 2026Source checked Nov 5, 2026First seen by HOL Jun 22, 2026Material review Sep 7, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
4 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/openshift-pipelines/pipelines-operator-proxy-rhel9 (generic), Red Hat/openshift-pipelines/pipelines-operator-webhook-rhel8 (generic), Red Hat/openshift-pipelines/pipelines-operator-webhook-rhel9 (generic), Red Hat/openshift-pipelines/pipelines-rhel9-operator (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/openshift-pipelines/pipelines-operator-proxy-rhel9generic*Not reported
Red Hat/openshift-pipelines/pipelines-operator-webhook-rhel8generic*Not reported
Red Hat/openshift-pipelines/pipelines-operator-webhook-rhel9generic*Not reported
Red Hat/openshift-pipelines/pipelines-rhel9-operatorgeneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/openshift-pipelines/pipelines-operator-proxy-rhel9, Red Hat/openshift-pipelines/pipelines-operator-webhook-rhel8, Red Hat/openshift-pipelines/pipelines-operator-webhook-rhel9.
  2. 2Review the reported fix. Source-reported workaround: If the Tekton Scheduler feature is not in use, administrators can mitigate this by patching the ClusterRoleBinding to reference a specific ServiceAccount instead of system:authenticated: oc patch clusterrolebinding tekton-scheduler-rolebinding --type=merge -p '{"subjects": [{"kind": "ServiceAccount", "name": "openshift-pipelines-operator", "namespace": "openshift-operators"}]}' IMPORTANT: The OpenShift Pipelines operator's reconciliation loop may revert this manual patch. Verify that the operator does not reconcile this binding back to system:authenticated after applying the mitigation. If it does, scale down the operator deployment or configure the operator to skip reconciliation of this object. Alternatively, the ClusterRoleBinding can be deleted if the Tekton Scheduler is not enabled.

Evidence timeline and material changes

  1. Published upstream

    Jun 4, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 7, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Jun 22, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
  • Source referencesecurity.access.redhat.com
Upstream source description

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 ClusterRole. When Kueue or cert-manager CRDs are present on the cluster, any authenticated user can disrupt workload scheduling, tamper with scheduling priorities, delete other tenants' Workload objects, or induce cert-manager to overwrite TLS Secrets including the default ingress controller certificate.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Secret Exfiltration
EPSS
Not reported
CWE IDs
CWE-732
Source
CVE List V5
Source checked
Nov 5, 2026
References
5 linked sources
Open source record