Network Optix Nx Witness VMS up to 6.1.1 on Linux REST API /rest/v2/system/settings cross-domain policy

Summaryinfo

A vulnerability was found in Network Optix Nx Witness VMS up to 6.1.1 on Linux. It has been rated as problematic. Affected is an unknown function of the file /rest/v2/system/settings of the component REST API. The manipulation leads to cross-domain policy. This vulnerability is uniquely identified as CVE-2026-10056. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Network Optix Nx Witness VMS up to 6.1.1 on Linux. This issue affects an unknown function of the file /rest/v2/system/settings of the component REST API. The manipulation with an unknown input leads to a cross-domain policy vulnerability. Using CWE to declare the problem leads to CWE-942. The product uses a cross-domain policy file that includes domains that should not be trusted. Impacted is integrity. The summary by CVE is:

CORS misconfiguration in the REST API of Network Optix Nx Witness VMS before version 6.1.2, when running in the default Standard security mode, on Linux and Windows allows an unauthenticated remote attacker to steal the session token of an authenticated user and perform Administrator Account Takeover via a malicious cross-origin web page visited by the victim. The High security mode is not affected.Workaround: For existing installations running in Standard security mode, set Access-Control-Allow-Credentials to false via the REST API: PATCH /rest/v2/system/settings with body {"supportedOrigins": "null"}. Alternatively, select High security level during initial setup. Solution: Update to Nx Witness VMS version 6.1.2 or later, in which Access-Control-Allow-Credentials is set to false in the default Standard security configuration.

The weakness was disclosed by Matan Sandori. The advisory is shared at support.networkoptix.com. The identification of this vulnerability is CVE-2026-10056 since 05/29/2026. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Upgrading to version 6.1.2 eliminates this vulnerability.

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Productinfo

Vendor

• Network Optix

Name

• Nx Witness VMS

Version

• 6.1.0
• 6.1.1

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CPE 2.2info

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