{"id":"CVE-2023-27265","aliases":["BIT-mattermost-2023-27265","EUVD-2023-31043","GHSA-x444-p8vv-928w"],"status":"published","title":"Disclosure of team owner email address when regenerating Invite ID","description":"Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the \"Regenerate Invite Id\" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.","severity":{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00526,"percentile":0.4505,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-668"],"published":"2023-02-27T14:46:23Z","modified":"2026-10-28T02:31:00Z","fixes":[{"ecosystem":"Bitnami","package":"mattermost","fixed_in":["7.7.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mattermost","ranges":[{"type":"SEMVER","events":[{"introduced":"5.12.0"},{"fixed":"7.7.0"}]}]}],"products":[{"vendor":"mattermost","product":"mattermost"},{"vendor":"mattermost","product":"mattermost_server"}],"references":[{"url":"https://mattermost.com/security-updates/","tags":["x_transferred","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-27265","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-x444-p8vv-928w"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/27xxx/CVE-2023-27265.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-27265","title":"Disclosure of team owner email address when regenerating Invite ID","description":"Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the \"Regenerate Invite Id\" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.\n\n\n","status":"published","published":"2023-02-27T14:46:23.494Z","modified":"2024-12-06T23:06:38.055Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:35:26.63732Z"}],"euvd":[{"id":"EUVD-2023-31043","description":"Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the \"Regenerate Invite Id\" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.\n\n\n","status":"published","published":"2023-02-27T14:46:23Z","modified":"2024-12-06T23:06:38Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-03T00:04:38.652605Z"}],"ghsa":[{"id":"GHSA-x444-p8vv-928w","title":"Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the ...","description":"Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the \"Regenerate Invite Id\" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.","status":"published","published":"2023-02-27T15:30:21Z","modified":"2023-03-09T15:30:51Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T14:54:18.225969Z"}],"nvd":[{"id":"CVE-2023-27265","description":"Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the \"Regenerate Invite Id\" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.\n\n\n","status":"published","published":"2023-02-27T15:15:11.997Z","modified":"2026-06-17T05:44:41.493Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-200","CWE-668"],"updated_at":"2026-11-02T14:07:47.623983Z"}],"osv":[{"id":"CVE-2023-27265","title":"Disclosure of team owner email address when regenerating Invite ID","description":"Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the \"Regenerate Invite Id\" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.\n\n\n","status":"published","published":"2023-02-27T14:46:23.494Z","modified":"2026-10-28T02:31:00.447248091Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:44:31.135751Z"},{"id":"BIT-mattermost-2023-27265","description":"Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the \"Regenerate Invite Id\" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.","status":"published","published":"2024-03-06T11:01:32.703Z","modified":"2025-04-03T14:40:37.652Z","updated_at":"2026-11-02T15:28:33.072289Z"}]}}