{"id":"CVE-2026-8074","aliases":["EUVD-2026-38248","GHSA-g5vr-6pgg-74qv","GO-2026-6481"],"status":"published","title":"Improper Permission Check Allows User Manager to Deactivate Bot Accounts","description":"Mattermost versions 11.7.x \u003c= 11.7.0, 10.11.x \u003c= 10.11.17 fail to enforce bot-specific permission checks on the user active status endpoint, which allows a User Manager with user management write access but no Integrations access to deactivate bot accounts via the PUT /api/v4/users/{id}/active API endpoint.. Mattermost Advisory ID: MMSA-2026-00667","severity":{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00318,"percentile":0.24926,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2026-06-22T13:37:44Z","modified":"2026-10-28T02:30:56Z","fixes":[{"ecosystem":"Go","package":"github.com/mattermost/mattermost-server","fixed_in":["11.7.1","10.11.18","10.11.18+incompatible","11.7.1+incompatible"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.7.0"},{"fixed":"11.7.1"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.11.0"},{"fixed":"10.11.18"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost-server","ranges":[{"type":"SEMVER","events":[{"introduced":"11.7.0"},{"fixed":"11.7.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost-server","ranges":[{"type":"SEMVER","events":[{"introduced":"10.11.0"},{"fixed":"10.11.18"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost-server","ranges":[{"type":"SEMVER","events":[{"introduced":"10.11.0+incompatible"},{"fixed":"10.11.18+incompatible"},{"introduced":"11.7.0+incompatible"},{"fixed":"11.7.1+incompatible"}]}]}],"products":[{"vendor":"mattermost","product":"mattermost"},{"vendor":"mattermost","product":"mattermost_server"}],"references":[{"url":"https://mattermost.com/security-updates","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8074","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-g5vr-6pgg-74qv","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8074.json","tags":["advisory"]},{"url":"https://github.com/mattermost/mattermost","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-8074","title":"Improper Permission Check Allows User Manager to Deactivate Bot Accounts","description":"Mattermost versions 11.7.x \u003c= 11.7.0, 10.11.x \u003c= 10.11.17 fail to enforce bot-specific permission checks on the user active status endpoint, which allows a User Manager with user management write access but no Integrations access to deactivate bot accounts via the PUT /api/v4/users/{id}/active API endpoint.. Mattermost Advisory ID: MMSA-2026-00667","status":"published","published":"2026-06-22T13:37:44.617Z","modified":"2026-06-22T15:40:37.392Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T13:48:13.398044Z"}],"euvd":[{"id":"EUVD-2026-38248","description":"Mattermost versions 11.7.x \u003c= 11.7.0, 10.11.x \u003c= 10.11.17 fail to enforce bot-specific permission checks on the user active status endpoint, which allows a User Manager with user management write access but no Integrations access to deactivate bot accounts via the PUT /api/v4/users/{id}/active API endpoint.. Mattermost Advisory ID: MMSA-2026-00667","status":"published","published":"2026-06-22T13:37:44Z","modified":"2026-06-22T15:40:37Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low"}],"updated_at":"2026-11-02T18:20:34.745289Z"}],"ghsa":[{"id":"GHSA-g5vr-6pgg-74qv","title":"Mattermost doesn't enforce bot-specific permission checks on the user active status endpoint","description":"Mattermost versions 11.7.x \u003c= 11.7.0, 10.11.x \u003c= 10.11.17 fail to enforce bot-specific permission checks on the user active status endpoint, which allows a User Manager with user management write access but no Integrations access to deactivate bot accounts via the PUT /api/v4/users/{id}/active API endpoint.. Mattermost Advisory ID: MMSA-2026-00667","status":"published","published":"2026-06-22T15:30:46Z","modified":"2026-09-15T19:51:21Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:41:17.136201Z"}],"nvd":[{"id":"CVE-2026-8074","description":"Mattermost versions 11.7.x \u003c= 11.7.0, 10.11.x \u003c= 10.11.17 fail to enforce bot-specific permission checks on the user active status endpoint, which allows a User Manager with user management write access but no Integrations access to deactivate bot accounts via the PUT /api/v4/users/{id}/active API endpoint.. Mattermost Advisory ID: MMSA-2026-00667","status":"published","published":"2026-06-22T14:17:53.733Z","modified":"2026-06-23T20:48:34.01Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:24.912854Z"}],"osv":[{"id":"CVE-2026-8074","title":"Improper Permission Check Allows User Manager to Deactivate Bot Accounts","description":"Mattermost versions 11.7.x \u003c= 11.7.0, 10.11.x \u003c= 10.11.17 fail to enforce bot-specific permission checks on the user active status endpoint, which allows a User Manager with user management write access but no Integrations access to deactivate bot accounts via the PUT /api/v4/users/{id}/active API endpoint.. Mattermost Advisory ID: MMSA-2026-00667","status":"published","published":"2026-06-22T13:37:44.617Z","modified":"2026-10-28T02:30:56.775717036Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:45:17.773945Z"},{"id":"GHSA-g5vr-6pgg-74qv","title":"Mattermost doesn't enforce bot-specific permission checks on the user active status endpoint","description":"Mattermost versions 11.7.x \u003c= 11.7.0, 10.11.x \u003c= 10.11.17 fail to enforce bot-specific permission checks on the user active status endpoint, which allows a User Manager with user management write access but no Integrations access to deactivate bot accounts via the PUT /api/v4/users/{id}/active API endpoint.. Mattermost Advisory ID: MMSA-2026-00667","status":"published","published":"2026-06-22T15:30:46Z","modified":"2026-09-28T17:10:42.638956104Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:46:47.472172Z"},{"id":"GO-2026-6481","title":"Mattermost doesn't enforce bot-specific permission checks on the user active status endpoint in github.com/mattermost/mattermost-server","description":"Mattermost doesn't enforce bot-specific permission checks on the user active status endpoint in github.com/mattermost/mattermost-server","status":"published","published":"2026-09-28T16:43:40Z","modified":"2026-09-28T17:00:15.796602358Z","updated_at":"2026-11-02T15:47:03.11707Z"}]}}