{"id":"CVE-2024-42406","details":"Mattermost versions 9.11.x \u003c= 9.11.0, 9.10.x \u003c= 9.10.1, 9.9.x \u003c= 9.9.2 and 9.5.x \u003c= 9.5.8 fail to properly authorize requests when viewing archived channels is disabled, which allows an attacker to retrieve post and file information about archived channels. Examples are flagged or unread posts as well as files.","aliases":["BIT-mattermost-2024-42406"],"modified":"2026-04-10T05:16:06.149332Z","published":"2024-09-26T08:15:05.810Z","references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-server","events":[{"introduced":"99d819d25d0b16b3faed901b1fe5c41de7655e9c"},{"fixed":"e8de27b043b2971472f30cb2e6c77bf4f8978486"},{"introduced":"4179e17b491ec5292ca6e157d7b216b464bce397"},{"fixed":"8f059c576a6fec5dad8b8b1e62bf2a5602081401"},{"introduced":"60c5bb46dfa8192efa5a13c746423f0e7696b8bc"},{"fixed":"3b1cbb8015fed0484e573d78e3b0fd28f2fc8b91"},{"introduced":"0"},{"last_affected":"0bc2ddd42375a75ab14e63f038165150d4f07659"},{"introduced":"0"},{"last_affected":"9931999d34c50596796c80fcdc752423e75f210d"},{"introduced":"0"},{"last_affected":"2bcb5a99e38959fb69aea0f17daddee9490f8f31"},{"introduced":"0"},{"last_affected":"0bc2ddd42375a75ab14e63f038165150d4f07659"}],"database_specific":{"versions":[{"introduced":"9.5.0"},{"fixed":"9.5.9"},{"introduced":"9.9.0"},{"fixed":"9.9.3"},{"introduced":"9.10.0"},{"fixed":"9.10.2"},{"introduced":"0"},{"last_affected":"9.11.0-NA"},{"introduced":"0"},{"last_affected":"9.11.0-rc1"},{"introduced":"0"},{"last_affected":"9.11.0-rc2"},{"introduced":"0"},{"last_affected":"9.11.0-rc3"}]}}],"versions":["@mattermost/client@9.10.0","@mattermost/client@9.11.0","@mattermost/client@9.5.0","@mattermost/client@9.9.0","@mattermost/types@9.10.0","@mattermost/types@9.11.0","@mattermost/types@9.5.0","@mattermost/types@9.9.0","cloud-2022-07-20-1","cloud-2022-08-10-1","cloud-2022-09-08-1","cloud-2022-10-06-1","cloud-2022-11-11-1","cloud-2022-11-24-1","server/public/v0.0.10","server/public/v0.0.11","server/public/v0.0.12","server/public/v0.0.13","server/public/v0.0.14","server/public/v0.0.15","server/public/v0.0.16","server/public/v0.0.17","server/public/v0.0.18","server/public/v0.0.5","server/public/v0.0.6","server/public/v0.0.7","server/public/v0.0.8","server/public/v0.0.9","server/public/v0.1.0","server/public/v0.1.1","server/public/v0.1.2","server/public/v0.1.3","server/public/v0.1.4","server/public/v0.1.5","v0.5.0","v4.10.0-rc1","v4.2.0-rc1","v4.3.0-rc1","v4.4.0-rc1","v4.5.0-rc1","v4.6.0-rc1","v4.6.0-rc2","v4.7.0-rc1","v4.8.0-rc1","v4.9.0-rc1","v5.0.0-rc1","v5.1.0-rc1","v5.2.0-rc1","v5.2.0-rc2","v9.10.0","v9.10.0-rc3","v9.10.1","v9.10.1-rc1","v9.10.1-rc2","v9.10.1-rc3","v9.11.0","v9.11.0-rc1","v9.11.0-rc2","v9.11.0-rc3","v9.5.0","v9.5.0-rc3","v9.5.1","v9.5.1-rc1","v9.5.2","v9.5.3","v9.5.3-rc1","v9.5.3-rc2","v9.5.3-rc3","v9.5.4","v9.5.4-rc1","v9.5.4-rc2","v9.5.5","v9.5.5-rc1","v9.5.6","v9.5.6-rc1","v9.5.6-rc2","v9.5.7","v9.5.7-rc1","v9.5.7-rc2","v9.5.7-rc3","v9.5.8","v9.5.8-rc1","v9.5.8-rc2","v9.9.0","v9.9.0-rc4","v9.9.1","v9.9.1-rc1","v9.9.1-rc2","v9.9.1-rc3","v9.9.1-rc4","v9.9.2","v9.9.2-rc1","v9.9.2-rc2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-42406.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}]}