{"id":"CVE-2024-47145","aliases":["BIT-mattermost-2024-47145","EUVD-2024-42289","GHSA-326r-7r4v-wq8c"],"status":"published","title":"Unauthorized access on archived channels via file links","description":"Mattermost versions 9.5.x \u003c= 9.5.8 fail to properly authorize access to archived channels when viewing archived channels is disabled, which allows an attacker to view posts and files of archived channels via file links.","severity":{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00252,"percentile":0.168,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-284"],"published":"2024-09-26T08:01:48Z","modified":"2026-10-28T02:31:11Z","fixes":[{"ecosystem":"Bitnami","package":"mattermost","fixed_in":["9.5.9"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mattermost","ranges":[{"type":"SEMVER","events":[{"introduced":"9.5.0"},{"fixed":"9.5.9"}]}]}],"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-2024-47145","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-326r-7r4v-wq8c"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47145.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-47145","title":"Unauthorized access on archived channels via file links","description":"Mattermost versions 9.5.x \u003c= 9.5.8 fail to properly authorize access to archived channels when viewing archived channels is disabled, which allows an attacker to view posts and files of archived channels via file links.","status":"published","published":"2024-09-26T08:01:48.199Z","modified":"2024-09-26T13:12:52.24Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:33:57.638551Z"}],"euvd":[{"id":"EUVD-2024-42289","description":"Mattermost versions 9.5.x \u003c= 9.5.8 fail to properly authorize access to archived channels when viewing archived channels is disabled, which allows an attacker to view posts and files of archived channels via file links.","status":"published","published":"2024-09-26T08:01:48Z","modified":"2024-09-26T13:12:52Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-03T00:28:10.832665Z"}],"ghsa":[{"id":"GHSA-326r-7r4v-wq8c","title":"Mattermost versions 9.5.x \u003c= 9.5.8 fail to properly authorize access to archived channels when...","description":"Mattermost versions 9.5.x \u003c= 9.5.8 fail to properly authorize access to archived channels when viewing archived channels is disabled, which allows an attacker to view posts and files of archived channels via file links.","status":"published","published":"2024-09-26T09:31:42Z","modified":"2024-09-26T09:31:42Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:58:20.799511Z"}],"nvd":[{"id":"CVE-2024-47145","description":"Mattermost versions 9.5.x \u003c= 9.5.8 fail to properly authorize access to archived channels when viewing archived channels is disabled, which allows an attacker to view posts and files of archived channels via file links.","status":"published","published":"2024-09-26T08:15:06.403Z","modified":"2026-06-17T07:56:37.483Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/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-284"],"updated_at":"2026-11-02T14:10:29.044588Z"}],"osv":[{"id":"CVE-2024-47145","title":"Unauthorized access on archived channels via file links","description":"Mattermost versions 9.5.x \u003c= 9.5.8 fail to properly authorize access to archived channels when viewing archived channels is disabled, which allows an attacker to view posts and files of archived channels via file links.","status":"published","published":"2024-09-26T08:01:48.199Z","modified":"2026-10-28T02:31:11.379201759Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:44:43.253252Z"},{"id":"BIT-mattermost-2024-47145","description":"Mattermost versions 9.5.x \u003c= 9.5.8 fail to properly authorize access to archived channels when viewing archived channels is disabled, which allows an attacker to view posts and files of archived channels via file links.","status":"published","published":"2024-09-27T07:19:43.531Z","modified":"2025-04-03T14:40:37.652Z","updated_at":"2026-11-02T15:28:33.072289Z"}]}}