{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/mattermost/mattermost-server/v5","cve_ids":["CVE-2025-8402"],"ecosystem":"Go","epss":0.00321,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-h469-4fcf-p23h","id":"tcs_01M5KGA368W8K8Y4KRNA8NQJNR","modified_at":"2026-03-03T04:56:52.640981Z","published_at":"2025-08-29T14:52:20Z","references":["https://osv.dev/vulnerability/GO-2025-3911","https://github.com/advisories/GHSA-h469-4fcf-p23h","https://nvd.nist.gov/vuln/detail/CVE-2025-8402","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":4.9},"sources":[{"source":"osv","source_id":"GO-2025-3911#Go/github.com/mattermost/mattermost-server/v5","url":"https://osv.dev/vulnerability/GO-2025-3911"},{"source":"nvd","source_id":"CVE-2025-8402","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-8402"}],"summary":"Mattermost has Potential Server Crash due to Unvalidated Import Data in github.com/mattermost/mattermost-server"}