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Unrated severityOSV Advisory· Published Jul 13, 2026· Updated Jul 13, 2026

Unscoped updates to other playbooks' metric configuration

CVE-2026-6541

Description

Mattermost versions 11.7.x <= 11.7.1, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to restrict metric configuration changes to the playbook being saved, which allows an authenticated user with team access to alter another user’s playbook metric settings via a crafted import or update request with a foreign metric ID. Mattermost Advisory ID: MMSA-2026-00653

Affected products

2
  • Mattermost/MattermostOSV2 versions
    v10.11.19, v11.6.4, v10.11.19-rc1, …+ 1 more
    • (no CPE)range: v10.11.19, v11.6.4, v10.11.19-rc1, …
    • (no CPE)range: <=11.7.1, <=11.6.4, <=10.11.19

Patches

Vulnerability mechanics

References

1

News mentions

0

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