{"action":"Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20250708173752-d6b35c41f0ae5 or later.","affected":[{"fixed":"8.0.0-20250708173752-d6b35c41f0ae5","introduced":"0"}],"component":"github.com/mattermost/mattermost/server/v8","cve_ids":["CVE-2025-8402"],"ecosystem":"Go","epss":0.00321,"exploited":false,"fixed_versions":["8.0.0-20250708173752-d6b35c41f0ae5"],"ghsa_id":"GHSA-h469-4fcf-p23h","id":"tcs_01M5KFBVE3KRT5EYF1NJHWFG31","modified_at":"2025-08-29T21:02:12Z","published_at":"2025-08-21T18:31:29Z","references":["https://osv.dev/vulnerability/GHSA-h469-4fcf-p23h","https://nvd.nist.gov/vuln/detail/CVE-2025-8402","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates","https://pkg.go.dev/vuln/GO-2025-3911"],"severity":{"label":"medium","score":4.9},"sources":[{"source":"osv","source_id":"GHSA-h469-4fcf-p23h#Go/github.com/mattermost/mattermost/server/v8","url":"https://osv.dev/vulnerability/GHSA-h469-4fcf-p23h"}],"summary":"Mattermost has Potential Server Crash due to Unvalidated Import Data"}