Brocade Fabric OS up to 9.2.2c/10.0.0a1 Configuration Management Command-Line Utility argument injection

Summaryinfo

A vulnerability was found in Brocade Fabric OS up to 9.2.2c/10.0.0a1. It has been rated as problematic. This affects an unknown function of the component Configuration Management Command-Line Utility. The manipulation leads to argument injection. This vulnerability is uniquely identified as CVE-2026-87667. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Brocade Fabric OS up to 9.2.2c/10.0.0a1 and classified as problematic. This issue affects an unknown function of the component Configuration Management Command-Line Utility. The manipulation with an unknown input leads to a argument injection vulnerability. Using CWE to declare the problem leads to CWE-88. The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string. Impacted is confidentiality. The summary by CVE is:

An argument injection vulnerability exists in the configuration management command-line utility of Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. When executing configuration viewing commands with search pattern filters, the utility fails to sanitize user-supplied search string options before passing them to internal search commands. An authenticated user with low-privilege administrative access can exploit this vulnerability to read arbitrary files on the local operating system, including sensitive configuration files, system password hashes and system secrets.

It is possible to read the advisory at support.broadcom.com. The identification of this vulnerability is CVE-2026-87667 since 09/09/2026. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

Upgrading to version 9.2.2d eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-94695). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Brocade

Name

• Fabric OS

Version

• 9.2.2a
• 9.2.2b
• 9.2.2c
• 10.0.0a1

License

• commercial

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Be aware that VulDB is the high quality source for vulnerability data.

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