{"schema_version":"1.7.3","id":"GHSA-3q4q-wqm6-hvf3","published":"2025-10-16T09:30:24Z","modified":"2025-11-05T19:57:28.182625Z","aliases":["CVE-2025-41410","GO-2025-4029"],"summary":"Mattermost has a Missing Authorization vulnerability","details":"Mattermost versions 10.10.x <= 10.10.2, 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictions.","affected":[{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.0.0-20250822083415-01b95392a450"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/10/GHSA-3q4q-wqm6-hvf3/GHSA-3q4q-wqm6-hvf3.json"}},{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.10.0"},{"fixed":"10.10.3"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/10/GHSA-3q4q-wqm6-hvf3/GHSA-3q4q-wqm6-hvf3.json"}},{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.5.0"},{"fixed":"10.5.11"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/10/GHSA-3q4q-wqm6-hvf3/GHSA-3q4q-wqm6-hvf3.json"}},{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.11.0"},{"fixed":"10.11.3"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/10/GHSA-3q4q-wqm6-hvf3/GHSA-3q4q-wqm6-hvf3.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-41410"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/01b95392a450676407475596d1c041a047067329"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/0d6e8fa2e4681a172a136db18001104a57f9c28e"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/ef896a4ea60cacbe03124106e1f42e5c25276427"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"database_specific":{"cwe_ids":["CWE-862"],"github_reviewed":true,"github_reviewed_at":"2025-10-16T21:00:44Z","nvd_published_at":"2025-10-16T09:15:33Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}]}