CVE-2026-18381

HIGH

Project-koku/koku-metrics-operator: koku-metrics-operator: operator service-account token exfiltration via user-controlled prometheus service_address

Title source: cna

Description

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.

References (2)

Core 2

Core References

Vdb Entry, X_Refsource_Redhat vdb-entry x_refsource_redhat

https://access.redhat.com/security/cve/CVE-2026-18381

Issue Tracking, X_Refsource_Redhat issue-tracking x_refsource_redhat

RHBZ#2509251

https://bugzilla.redhat.com/show_bug.cgi?id=2509251

Scores

CVSS v3 7.6

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-918

Status published

Products (1)

Red Hat/Cost Management Metrics Operator

Published Jul 30, 2026

Tracked Since Jul 30, 2026