{"id":"CVE-2023-6459","details":"Mattermost is grouping calls in the /metrics endpoint by id and reports that id in the response. Since this id is the channelID, the public /metrics endpoint is revealing channelIDs.\n\n","aliases":["BIT-mattermost-2023-6459","GHSA-63cv-4pc2-4fcf"],"modified":"2026-04-10T05:07:20.067582Z","published":"2023-12-06T09:15:09.140Z","related":["CGA-rvwq-mq34-6ghh"],"references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-server","events":[{"introduced":"0"},{"fixed":"b245d967c8c3d158a899c38166151254d6ee0d11"},{"introduced":"90f502dc2dc80ee25cfb7d7bc3e743b53564a5a7"},{"fixed":"f8f79e13ef11d5bd2527d21a1967bd37f46a0fae"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"7.8.14"},{"introduced":"8.0.0"},{"fixed":"8.1.5"}]}}],"versions":["@mattermost/client@8.1.1","@mattermost/types@8.1.1","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","cloud-2023-01-26-1","cloud-2023-07-26-1","server/public/v0.0.5","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","v7.8.0","v7.8.1","v7.8.10","v7.8.10-rc3","v7.8.10-rc4","v7.8.10-rc5","v7.8.11","v7.8.11-rc1","v7.8.12","v7.8.12-rc1","v7.8.12-rc2","v7.8.13","v7.8.13-rc1","v7.8.2","v7.8.3","v7.8.4","v7.8.5","v7.8.6","v7.8.7","v7.8.8","v7.8.9","v8.1.0","v8.1.0-rc2","v8.1.1","v8.1.1-rc1","v8.1.1-rc2","v8.1.2","v8.1.2-rc1","v8.1.2-rc2","v8.1.3","v8.1.3-rc1","v8.1.3-rc2","v8.1.4","v8.1.4-rc1","v8.1.4-rc2","v8.1.5-rc1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-6459.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}