Red Hat Cost Management Metrics Operator unrestricted upload

Summaryinfo

A vulnerability has been found in Red Hat Cost Management Metrics Operator and classified as problematic. This affects an unknown part. This manipulation causes unrestricted upload. This vulnerability appears as CVE-2026-18378. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Red Hat Cost Management Metrics Operator (the affected version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at access.redhat.com. This vulnerability is known as CVE-2026-18378 since 07/30/2026. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are necessary for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/30/2026). MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-51094). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Red Hat

Name

• Cost Management Metrics Operator

License

• open-source

Website

• Vendor: https://www.redhat.com/

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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