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  4. CVE 2026 66782 submariner operator operator clusterrole grants
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Back to active CVEs
Medium · CVSS 7.8CVE-2026-66782

Submariner-operator: operator clusterrole grants cluster-wide create/update on all configmapsCVE-2026-66782

Answer in brief

CVE-2026-66782 records a Medium severity (CVSS 7.8) vulnerability in Submariner-operator: operator clusterrole grants cluster-wide create/update on all configmaps. The current sources do not mark it as known exploited. The current feed maps Red Hat/rhacm2/submariner-addon-rhel9 (generic), Red Hat/rhacm2/submariner-operator-bundle (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 Aug 18, 2026Updated Sep 3, 2026Source checked Oct 16, 2026First seen by HOL Aug 18, 2026Material review Sep 3, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 7.8
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.8. 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/rhacm2/submariner-addon-rhel9 (generic), Red Hat/rhacm2/submariner-operator-bundle (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/rhacm2/submariner-addon-rhel9generic*Not reported
Red Hat/rhacm2/submariner-operator-bundlegeneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/rhacm2/submariner-addon-rhel9, Red Hat/rhacm2/submariner-operator-bundle.
  2. 2Review the reported fix. Source-reported workaround: To mitigate this issue, ensure that access to Submariner Custom Resources (CRs) is strictly controlled. Implement Kubernetes Role-Based Access Control (RBAC) policies to limit read access to Submariner CRs only to authorized administrators and components that explicitly require it. This reduces the risk of unauthorized disclosure of the broker Service Account bearer token, which may be stored in cleartext within the CR's specification field. Review existing RBAC configurations to ensure least privilege is applied to resources containing sensitive information.

Evidence timeline and material changes

  1. Published upstream

    Aug 18, 2026

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

  2. Source modified

    Sep 3, 2026

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

  3. First seen by HOL

    Aug 18, 2026

Sources and claim methodology

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

A flaw was found in the Submariner operator. This vulnerability allows for the exposure of a long-lived broker service account (SA) bearer token within the Submariner Custom Resource (CR) specification. An attacker with access to the cluster's etcd database or through `kubectl get` commands could obtain this token. The possession of this token grants full control over the mesh network, enabling unauthorized management of network resources such as endpoints and secrets.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • IBM i is Affected By An Improper Privilege Management VulnerabilityAlso CWE-269
  • IBM i is Affected By An Improper Privilege Management Vulnerability in OpenSSHAlso CWE-269
  • Arcane: Delegated users:update permission allows admin account takeover via password reset (no privilege-hierarchy check)Also CWE-269
  • ZoneMinder: Authenticated OS Command Injection (RCE) via Export FeatureSame generic ecosystem
  • ZoneMinder: Authenticated OS Command Injection via unsanitized Monitor Name in event export (download_functions.php)Same generic ecosystem
  • JavaCV: Integer Overflow in IPCameraFrameGrabber Causes Infinite-Loop DoSSame generic ecosystem

Record context

Vulnerability class
Privilege Escalation
EPSS
Not reported
CWE IDs
CWE-312, CWE-269
Source
CVE List V5
Source checked
Oct 16, 2026
References
3 linked sources
Open source record