{"id":"BIT-mattermost-2023-1774","details":"When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.","aliases":["CVE-2023-1774","GHSA-9hj7-v56g-rhf6"],"modified":"2025-04-03T14:40:37.652Z","published":"2024-03-06T11:02:41.595Z","database_specific":{"cpes":["cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:7.7.1:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates/"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1774"}],"affected":[{"package":{"name":"mattermost","ecosystem":"Bitnami","purl":"pkg:bitnami/mattermost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"7.1.6"}]},{"type":"SEMVER","events":[{"introduced":"7.7.1"},{"last_affected":"7.7.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/mattermost/BIT-mattermost-2023-1774.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"}