CVE-2026-8683 | Mattermost Desktop App up to 5.5.13/6.1.x window.open allocation of resources

A vulnerability, which was classified as problematic, has been found in Mattermost Desktop App up to 5.5.13/6.1.x. Affected by this vulnerability is the function window.open. The manipulation leads to allocation of resources.

This vulnerability is documented as CVE-2026-8683. The attack can be initiated remotely. There is not any exploit available.

It is advisable to upgrade the affected component.