{"schema_version":"1.7.3","id":"BIT-mattermost-2025-27933","published":"2025-03-28T07:21:36.649Z","modified":"2025-04-03T14:40:37.652Z","aliases":["CVE-2025-27933","GHSA-h5v9-xw2g-7hrq","GO-2025-3556"],"details":"Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public","affected":[{"package":{"name":"mattermost","ecosystem":"Bitnami","purl":"pkg:bitnami/mattermost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.11.0"},{"fixed":"10.0.0"},{"introduced":"10.3.0"},{"fixed":"10.5.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/mattermost/BIT-mattermost-2025-27933.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}],"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27933"}],"database_specific":{"cpes":["cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*"],"severity":"Medium"}}