{"id":"CVE-2024-42000","aliases":["BIT-mattermost-2024-42000","EUVD-2024-39386","GHSA-hpq2-jq6g-6g73"],"status":"published","title":"Unauthorized Access to view channels' details","description":"Mattermost versions 9.10.x \u003c= 9.10.2, 9.11.x \u003c= 9.11.1, 9.5.x \u003c= 9.5.9 and 10.0.x \u003c= 10.0.0 fail to properly authorize the requests to /api/v4/channels  which allows a User or System Manager, with \"Read Groups\" permission but with no access for channels to retrieve details about private channels that they were not a member of by sending a request to /api/v4/channels.","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":0.00287,"percentile":0.21488,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2024-11-09T17:17:25Z","modified":"2026-10-28T02:31:00Z","fixes":[{"ecosystem":"Bitnami","package":"mattermost","fixed_in":["9.5.10","9.10.3","9.11.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mattermost","ranges":[{"type":"SEMVER","events":[{"introduced":"9.5.0"},{"fixed":"9.5.10"},{"introduced":"9.10.0"},{"fixed":"9.10.3"},{"introduced":"9.11.0"},{"fixed":"9.11.2"}]},{"type":"SEMVER","events":[{"introduced":"10.0.0-rc1"},{"last_affected":"10.0.0-rc1"},{"introduced":"10.0.0-rc2"},{"last_affected":"10.0.0-rc2"},{"introduced":"10.0.0-rc3"},{"last_affected":"10.0.0-rc3"},{"introduced":"10.0.0-rc4"},{"last_affected":"10.0.0-rc4"},{"introduced":"10.0.0"},{"last_affected":"10.0.0"}]}]}],"products":[{"vendor":"mattermost","product":"mattermost"},{"vendor":"mattermost","product":"mattermost_server"}],"references":[{"url":"https://mattermost.com/security-updates","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-42000","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-hpq2-jq6g-6g73"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42000.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-42000","title":"Unauthorized Access to view channels' details","description":"Mattermost versions 9.10.x \u003c= 9.10.2, 9.11.x \u003c= 9.11.1, 9.5.x \u003c= 9.5.9 and 10.0.x \u003c= 10.0.0 fail to properly authorize the requests to /api/v4/channels  which allows a User or System Manager, with \"Read Groups\" permission but with no access for channels to retrieve details about private channels that they were not a member of by sending a request to /api/v4/channels.","status":"published","published":"2024-11-09T17:17:25.038Z","modified":"2024-11-12T14:53:08.813Z","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-863"],"updated_at":"2026-11-02T14:34:02.652467Z"}],"euvd":[{"id":"EUVD-2024-39386","description":"Mattermost versions 9.10.x \u003c= 9.10.2, 9.11.x \u003c= 9.11.1, 9.5.x \u003c= 9.5.9 and 10.0.x \u003c= 10.0.0 fail to properly authorize the requests to /api/v4/channels  which allows a User or System Manager, with \"Read Groups\" permission but with no access for channels to retrieve details about private channels that they were not a member of by sending a request to /api/v4/channels.","status":"published","published":"2024-11-09T17:17:25Z","modified":"2024-11-12T14:53:08Z","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":"2026-11-03T00:05:04.420026Z"}],"ghsa":[{"id":"GHSA-hpq2-jq6g-6g73","title":"Mattermost versions 9.10.x \u003c= 9.10.2, 9.11.x \u003c= 9.11.1, 9.5.x \u003c= 9.5.9 and 10.0.x \u003c= 10.0.0 fail...","description":"Mattermost versions 9.10.x \u003c= 9.10.2, 9.11.x \u003c= 9.11.1, 9.5.x \u003c= 9.5.9 and 10.0.x \u003c= 10.0.0 fail to properly authorize the requests to /api/v4/channels  which allows a User or System Manager, with \"Read Groups\" permission but with no access for channels to retrieve details about private channels that they were not a member of by sending a request to /api/v4/channels.","status":"published","published":"2024-11-09T18:30:30Z","modified":"2024-11-09T18:30:30Z","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-863"],"updated_at":"2026-11-02T14:58:46.999726Z"}],"nvd":[{"id":"CVE-2024-42000","description":"Mattermost versions 9.10.x \u003c= 9.10.2, 9.11.x \u003c= 9.11.1, 9.5.x \u003c= 9.5.9 and 10.0.x \u003c= 10.0.0 fail to properly authorize the requests to /api/v4/channels  which allows a User or System Manager, with \"Read Groups\" permission but with no access for channels to retrieve details about private channels that they were not a member of by sending a request to /api/v4/channels.","status":"published","published":"2024-11-09T18:15:14.993Z","modified":"2026-06-17T07:48:36.883Z","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":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":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:10:36.560164Z"}],"osv":[{"id":"CVE-2024-42000","title":"Unauthorized Access to view channels' details","description":"Mattermost versions 9.10.x \u003c= 9.10.2, 9.11.x \u003c= 9.11.1, 9.5.x \u003c= 9.5.9 and 10.0.x \u003c= 10.0.0 fail to properly authorize the requests to /api/v4/channels  which allows a User or System Manager, with \"Read Groups\" permission but with no access for channels to retrieve details about private channels that they were not a member of by sending a request to /api/v4/channels.","status":"published","published":"2024-11-09T17:17:25.038Z","modified":"2026-10-28T02:31:00.448238043Z","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-863"],"updated_at":"2026-11-02T15:44:41.963899Z"},{"id":"BIT-mattermost-2024-42000","description":"Mattermost versions 9.10.x \u003c= 9.10.2, 9.11.x \u003c= 9.11.1, 9.5.x \u003c= 9.5.9 and 10.0.x \u003c= 10.0.0 fail to properly authorize the requests to /api/v4/channels  which allows a User or System Manager, with \"Read Groups\" permission but with no access for channels to retrieve details about private channels that they were not a member of by sending a request to /api/v4/channels.","status":"published","published":"2024-11-15T07:13:18.298Z","modified":"2025-04-03T14:40:37.652Z","updated_at":"2026-11-02T15:28:33.072289Z"}]}}