{"action":"Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20250519205859-65aec10162f6 or later.","affected":[{"fixed":"8.0.0-20250519205859-65aec10162f6","introduced":"0"}],"component":"github.com/mattermost/mattermost/server/v8","cve_ids":["CVE-2025-4981"],"ecosystem":"Go","epss":0.01016,"exploited":false,"fixed_versions":["8.0.0-20250519205859-65aec10162f6"],"ghsa_id":"GHSA-qh58-9v3j-wcjc","id":"tcs_01M5KG9244G9NZYR18XFATE9Z6","modified_at":"2026-03-03T04:57:20.146437Z","published_at":"2025-07-28T19:57:13Z","references":["https://osv.dev/vulnerability/GO-2025-3769","https://github.com/advisories/GHSA-qh58-9v3j-wcjc","https://nvd.nist.gov/vuln/detail/CVE-2025-4981","https://github.com/mattermost/mattermost/commit/65aec10162f612d98edf91cc66bf7e781868448b","https://mattermost.com/security-updates"],"severity":{"label":"critical","score":9.9},"sources":[{"source":"osv","source_id":"GO-2025-3769#Go/github.com/mattermost/mattermost/server/v8","url":"https://osv.dev/vulnerability/GO-2025-3769"},{"source":"nvd","source_id":"CVE-2025-4981","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-4981"}],"summary":"Mattermost allows authenticated users to write files to arbitrary locations in github.com/mattermost/mattermost-server"}