{"action":"Upgrade github.com/mattermost/mattermost/server/v8 to 8.1.1 or later.","affected":[{"fixed":"8.1.1","introduced":"0"}],"component":"github.com/mattermost/mattermost/server/v8","cve_ids":["CVE-2023-47858"],"ecosystem":"Go","epss":0.00359,"exploited":false,"fixed_versions":["8.1.1"],"ghsa_id":"GHSA-w88v-pjr8-cmv2","id":"tcs_01M5KFQFFZTAV8SR0XR93R3GBQ","modified_at":"2026-09-10T03:50:05.197175059Z","published_at":"2024-01-02T12:30:18Z","references":["https://osv.dev/vulnerability/GHSA-w88v-pjr8-cmv2","https://nvd.nist.gov/vuln/detail/CVE-2023-47858","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-w88v-pjr8-cmv2#Go/github.com/mattermost/mattermost/server/v8","url":"https://osv.dev/vulnerability/GHSA-w88v-pjr8-cmv2"}],"summary":"Mattermost viewing archived public channels permissions vulnerability"}