---
id: CVE-2026-18381
title: A flaw was found in the koku-metrics-operator for Red Hat OpenShift
summary: >-
  A flaw was found in the koku-metrics-operator for Red Hat OpenShift. The
  operator's CostManagementMetricsConfig custom resource allows a user able to
  edit the CR to specify an arbitrary upload URL. The operator attaches its own
  Kubernete…
severity: high
cvss: 7.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N'
cwe:
  - CWE-918
vendor: redhat
product: cost_management_metrics_operator
affected:
  - cost_management_metrics_operator
published: '2026-07-30'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T21:17:16.120'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-18381'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2026:81201'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2026-18381'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2509251'
    label: secalert@redhat.com
tags:
  - nvd
epss: 0.00319
epssPercentile: 0.22996
ingestedAt: '2026-10-12T22:05:40.340Z'
---

## Overview

A flaw was found in the koku-metrics-operator for Red Hat OpenShift. The operator's CostManagementMetricsConfig custom resource allows a user able to edit the CR to specify an arbitrary upload URL. The operator attaches its own Kubernetes service-account bearer token to queries sent to this user-controlled URL, allowing the attacker to obtain the token.

## Affected

- `cost_management_metrics_operator`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.