CVE-2026-95666 | Mattermost up to 11.7.10/11.8.5/11.9.1/11.10.1 Bulk Reactions Endpoint allocation of resources

A vulnerability classified as problematic was found in Mattermost up to 11.7.10/11.8.5/11.9.1/11.10.1. This vulnerability affects unknown code of the component Bulk Reactions Endpoint. Such manipulation leads to allocation of resources.

This vulnerability is uniquely identified as CVE-2026-95666. The attack can be launched remotely. No exploit exists.

Upgrading the affected component is advised.VulDB Recent EntriesRead More