{"id":"CVE-2025-41410","aliases":["GHSA-3q4q-wqm6-hvf3","GO-2025-4029"],"url":"https://o3.security/vulnerability/CVE-2025-41410","summary":"Slack import bypasses email verification for team access controls","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","published":"2025-10-16T08:39:58.233Z","modified":"2026-08-12T03:51:40.846261822Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"},"epss":{"score":0.00301,"percentile":0.22859,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","fixedVersion":"8.0.0-20250822083415-01b95392a450"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","fixedVersion":"10.10.3"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","fixedVersion":"10.5.11"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","fixedVersion":"10.11.3"}],"fix":{"url":"https://github.com/mattermost/mattermost/commit/01b95392a450676407475596d1c041a047067329","label":"mattermost/mattermost@01b9539"},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/41xxx/CVE-2025-41410.json"},{"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:40.846261822Z"}}