GO-2026-5173

vendorUSosv

Mattermost has an Incorrect Authorization issue in github.com/mattermost/mattermost-server

view advisory published 2026-06-25Licence: per source

Mattermost has an Incorrect Authorization issue in github.com/mattermost/mattermost-server

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-4055US—OT elevated—
Mattermost versions 11.5.x <= 11.5.1 fail to validate team-level run_create permission against the target team when creating a playbook run which allows an authenticated team membe…
02

references

External citations — patches, advisories, analysis.

scry

Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.

Free scan