cvedb.io
CVE-2026-26304
MEDIUM · CVSS 4.3
EPSS exploitation probability: 0%
Published 2026-03-16T20:16:17.730 · Last modified 2026-06-17T10:26:03.473

Summary

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 playbook run API. Mattermost Advisory ID: MMSA-2025-00542

Affected products

mattermost — mattermost_server

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.