{"id":"CVE-2024-32939","aliases":["EUVD-2024-2498","GHSA-4ww8-fprq-cq34","GO-2024-3093"],"status":"published","title":"Email addresses of remote users visible in props regardless of server settings","description":"Mattermost versions 9.9.x \u003c= 9.9.1, 9.5.x \u003c= 9.5.7, 9.10.x \u003c= 9.10.0, 9.8.x \u003c= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server.\"","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0022,"percentile":0.12714,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-284","CWE-312"],"published":"2024-08-22T06:29:01Z","modified":"2026-10-28T02:30:35Z","fixes":[{"ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","fixed_in":["9.9.2","9.5.8","9.10.1","9.8.3"],"sources":["ghsa","osv"]},{"ecosystem":"Go","package":"github.com/mattermost/mattermost-server","fixed_in":["9.5.8+incompatible","9.8.3+incompatible","9.9.2+incompatible","9.10.1+incompatible"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.9.0"},{"fixed":"9.9.2"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.5.0"},{"fixed":"9.5.8"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.10.0"},{"fixed":"9.10.1"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.8.0"},{"fixed":"9.8.3"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"9.9.0"},{"fixed":"9.9.2"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"9.5.0"},{"fixed":"9.5.8"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"9.10.0"},{"fixed":"9.10.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"9.8.0"},{"fixed":"9.8.3"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost-server","ranges":[{"type":"SEMVER","events":[{"introduced":"9.5.0+incompatible"},{"fixed":"9.5.8+incompatible"},{"introduced":"9.8.0+incompatible"},{"fixed":"9.8.3+incompatible"},{"introduced":"9.9.0+incompatible"},{"fixed":"9.9.2+incompatible"},{"introduced":"9.10.0+incompatible"},{"fixed":"9.10.1+incompatible"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost-server/v5","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost-server/v6","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]}],"products":[{"vendor":"mattermost","product":"mattermost"}],"references":[{"url":"https://mattermost.com/security-updates","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-32939","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4ww8-fprq-cq34","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/32xxx/CVE-2024-32939.json","tags":["advisory"]},{"url":"https://github.com/mattermost/mattermost","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-32939","title":"Email addresses of remote users visible in props regardless of server settings","description":"Mattermost versions 9.9.x \u003c= 9.9.1, 9.5.x \u003c= 9.5.7, 9.10.x \u003c= 9.10.0, 9.8.x \u003c= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server.\"","status":"published","published":"2024-08-22T06:29:01.203Z","modified":"2024-08-22T13:26:55.79Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:34:15.662528Z"}],"euvd":[{"id":"EUVD-2024-2498","description":"Mattermost versions 9.9.x \u003c= 9.9.1, 9.5.x \u003c= 9.5.7, 9.10.x \u003c= 9.10.0, 9.8.x \u003c= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server.\"","status":"published","published":"2024-08-22T06:29:01Z","modified":"2024-08-22T13:26:55Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:56:13.216602Z"}],"ghsa":[{"id":"GHSA-4ww8-fprq-cq34","title":"Mattermost doesn't redact remote users' original email addresses","description":"Mattermost versions 9.9.x \u003c= 9.9.1, 9.5.x \u003c= 9.5.7, 9.10.x \u003c= 9.10.0, 9.8.x \u003c= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server.","status":"published","published":"2024-08-22T09:30:32Z","modified":"2024-08-23T21:17:13Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-284","CWE-312"],"updated_at":"2026-11-02T14:38:00.257632Z"}],"nvd":[{"id":"CVE-2024-32939","description":"Mattermost versions 9.9.x \u003c= 9.9.1, 9.5.x \u003c= 9.5.7, 9.10.x \u003c= 9.10.0, 9.8.x \u003c= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server.\"","status":"published","published":"2024-08-22T07:15:03.353Z","modified":"2026-06-17T07:30:44.293Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-284","CWE-312"],"updated_at":"2026-11-02T14:10:19.870727Z"}],"osv":[{"id":"CVE-2024-32939","title":"Email addresses of remote users visible in props regardless of server settings","description":"Mattermost versions 9.9.x \u003c= 9.9.1, 9.5.x \u003c= 9.5.7, 9.10.x \u003c= 9.10.0, 9.8.x \u003c= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server.\"","status":"published","published":"2024-08-22T06:29:01.203Z","modified":"2026-10-28T02:30:35.850793192Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:44:40.391953Z"},{"id":"GHSA-4ww8-fprq-cq34","title":"Mattermost doesn't redact remote users' original email addresses","description":"Mattermost versions 9.9.x \u003c= 9.9.1, 9.5.x \u003c= 9.5.7, 9.10.x \u003c= 9.10.0, 9.8.x \u003c= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server.","status":"published","published":"2024-08-22T09:30:32Z","modified":"2024-08-30T17:42:36.793088Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"},{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-284","CWE-312"],"updated_at":"2026-11-02T15:46:37.528068Z"},{"id":"GO-2024-3093","title":"Mattermost doesn't redact remote users' original email addresses in github.com/mattermost/mattermost-server","description":"Mattermost doesn't redact remote users' original email addresses in github.com/mattermost/mattermost-server","status":"published","published":"2024-08-30T17:18:07Z","modified":"2026-03-03T04:55:44.284248Z","updated_at":"2026-11-02T15:47:01.453823Z"}]}}