{"id":"CVE-2026-6541","aliases":["EUVD-2026-43341","GHSA-mxrh-vwcx-vg7h"],"status":"published","title":"Unscoped updates to other playbooks' metric configuration","description":"Mattermost versions 11.7.x \u003c= 11.7.1, 11.6.x \u003c= 11.6.4, 10.11.x \u003c= 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","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00254,"percentile":0.17086,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-07-13T10:53:15Z","modified":"2026-10-28T02:30:52Z","products":[{"vendor":"mattermost","product":"mattermost"},{"vendor":"mattermost","product":"mattermost_server"}],"references":[{"url":"https://mattermost.com/security-updates","tags":["vendor-advisory","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6541","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mxrh-vwcx-vg7h"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6541.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-6541","title":"Unscoped updates to other playbooks' metric configuration","description":"Mattermost versions 11.7.x \u003c= 11.7.1, 11.6.x \u003c= 11.6.4, 10.11.x \u003c= 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","status":"published","published":"2026-07-13T10:53:15.958Z","modified":"2026-07-13T13:09:10.482Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T13:50:04.986624Z"}],"euvd":[{"id":"EUVD-2026-43341","description":"Mattermost versions 11.7.x \u003c= 11.7.1, 11.6.x \u003c= 11.6.4, 10.11.x \u003c= 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","status":"published","published":"2026-07-13T10:53:15Z","modified":"2026-07-13T13:09:10Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:20:02.308684Z"}],"ghsa":[{"id":"GHSA-mxrh-vwcx-vg7h","title":"Mattermost versions 11.7.x \u003c= 11.7.1, 11.6.x \u003c= 11.6.4, 10.11.x \u003c= 10.11.19 fail to restrict...","description":"Mattermost versions 11.7.x \u003c= 11.7.1, 11.6.x \u003c= 11.6.4, 10.11.x \u003c= 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","status":"published","published":"2026-07-13T12:35:06Z","modified":"2026-07-13T12:35:15Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:09:25.900925Z"}],"nvd":[{"id":"CVE-2026-6541","description":"Mattermost versions 11.7.x \u003c= 11.7.1, 11.6.x \u003c= 11.6.4, 10.11.x \u003c= 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","status":"published","published":"2026-07-13T11:16:28.08Z","modified":"2026-07-13T20:39:12.303Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:29.114188Z"}],"osv":[{"id":"CVE-2026-6541","title":"Unscoped updates to other playbooks' metric configuration","description":"Mattermost versions 11.7.x \u003c= 11.7.1, 11.6.x \u003c= 11.6.4, 10.11.x \u003c= 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","status":"published","published":"2026-07-13T10:53:15.958Z","modified":"2026-10-28T02:30:52.151606997Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:45:14.096824Z"}]}}