Brocade Fabric OS up to 9.2.2c/10.0.0a1 REST API Management Interface os command injection

Summaryinfo

A vulnerability, which was classified as very critical, has been found in Brocade Fabric OS up to 9.2.2c/10.0.0a1. Impacted is an unknown function of the component REST API Management Interface. This manipulation causes os command injection. This vulnerability is registered as CVE-2026-94581. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Brocade Fabric OS up to 9.2.2c/10.0.0a1 and classified as very critical. Affected by this vulnerability is an unknown functionality of the component REST API Management Interface. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An OS command injection vulnerability exists in the REST API management interface of Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1 allows an authenticated, high-privileged remote attacker to execute arbitrary system commands with root permissions. An attacker with administrative privileges to configure SSH known host settings can supply specially crafted parameter values containing shell metacharacters to trigger command execution on the host system.

It is possible to read the advisory at support.broadcom.com. This vulnerability is known as CVE-2026-94581 since 09/21/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation requires an enhanced level of successful authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/08/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 9.2.2d eliminates this vulnerability.

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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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CPE 2.2info

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