Red Hat Advanced Cluster Management for Kubernetes must-gather information disclosure

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Red Hat Advanced Cluster Management for Kubernetes. Affected by this issue is some unknown functionality of the component must-gather. This manipulation causes information disclosure. This vulnerability is tracked as CVE-2026-75485. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability was found in Red Hat Advanced Cluster Management for Kubernetes (affected version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component must-gather. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

A flaw was found in the must-gather component of Red Hat Advanced Cluster Management for Kubernetes. The cluster Proxy object is dumped in raw form, bypassing the oc inspect redaction that would normally sanitize sensitive fields. This exposes proxy basic-auth credentials in the must-gather archive, potentially disclosing sensitive authentication information to anyone with access to the archive.

The advisory is shared at access.redhat.com. This vulnerability is known as CVE-2026-75485 since 08/18/2026. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/18/2026). MITRE ATT&CK project uses the attack technique T1592 for this issue.

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

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

Productinfo

Type

• Virtualization Software

Vendor

• Red Hat

Name

• Advanced Cluster Management for Kubernetes

License

• open-source

Website

• Vendor: https://www.redhat.com/

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

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