GO-2026-4812

vendorUSosv

Mattermost fails to verify run_create permission for empty playbookId in github.com/mattermost/mattermost-plugin-playbooks

view advisory published 2026-03-23Licence: per source

Mattermost fails to verify run_create permission for empty playbookId in github.com/mattermost/mattermost-plugin-playbooks

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-26304US—OT elevated—
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2 fail to verify run_create permission for empty playbookId, which allows team members to create unauthorized runs via the play…
02

references

External citations — patches, advisories, analysis.

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