{"id":"BIT-mattermost-2023-6547","details":"Mattermost fails to validate team membership when a user attempts to access a playbook, allowing a user with permissions to a playbook but no permissions to the team the playbook is on to access and modify the playbook. This can happen if the user was once a member of the team, got permissions to the playbook and was then removed from the team.","aliases":["CVE-2023-6547"],"modified":"2025-04-03T14:40:37.652Z","published":"2024-03-06T10:56:43.005Z","database_specific":{"cpes":["cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6547"}],"affected":[{"package":{"name":"mattermost","ecosystem":"Bitnami","purl":"pkg:bitnami/mattermost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.1.6"},{"introduced":"9.2.0"},{"fixed":"9.2.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/mattermost/BIT-mattermost-2023-6547.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}]}],"schema_version":"1.7.3"}