CVE-2026-13411 | Mattermost up to 11.7.11/11.9.x Playbooks input validation

October 22, 2026 Yanac

A vulnerability classified as problematic has been found in Mattermost up to 11.7.11/11.9.x. This impacts an unknown function of the component Playbooks. The manipulation leads to improper input validation.

This vulnerability is documented as CVE-2026-13411. The attack can be initiated remotely. There is not any exploit available.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More