CVE-2026-18378

highCVSS 7.6covered by 1 sourcefirst seen 2026-07-30

A flaw was found in koku-metrics-operator. The operator's CostManagementMetricsConfig custom resource allows user able to edit the CR to specify an arbitrary upload URL. When authentication.type is set to token (the default), the cluster-global Red Hat Cloud pull-secret bearer token is attached to HTTP requests sent to this user-controlled URL, allowing the attacker to obtain the token.

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Exploitation outlook

Low exploitation risk0.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-18378: A flaw was found in koku-metrics-operator. The operator's CostManagementMetricsConfig custom r…nvd · 2026-07-30

External references

NVD record for CVE-2026-18378

CVE.org record

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