Pixera Two Media Server EUVD-2026-26841

Upgrade immediately to AV Stumpfl Pixera Two Media Server version 25.2 R3 or later per vendor advisory at https://help.pixera.one/changelogs-version-overviews/pixera-252-overview-changelog. The vendor explicitly recommends upgrading the affected component rather than applying workarounds. For systems where immediate patching is not feasible due to production schedules or testing requirements, implement network segmentation to restrict Websocket API access to trusted management networks only-block external internet access to TCP ports used by Pixera's Websocket service (consult product documentation for default port assignments, typically non-standard high ports). Deploy web application firewall rules to inspect and filter Websocket handshake requests for code injection patterns, though this provides incomplete protection against unknown exploit variants and may cause false positives impacting legitimate control traffic. If the Websocket API is not operationally required, disable the service entirely via Pixera configuration settings-this eliminates attack surface but will break remote control integrations and third-party automation tools. Note that compensating controls do not address the root cause and should be considered temporary risk reduction only until patching is completed.