{"action":"Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20260123215601-86797c508c44 or later.","affected":[{"fixed":"8.0.0-20260123215601-86797c508c44","introduced":"0"}],"component":"github.com/mattermost/mattermost/server/v8","cve_ids":["CVE-2026-25780"],"ecosystem":"Go","epss":0.00278,"exploited":false,"fixed_versions":["8.0.0-20260123215601-86797c508c44"],"ghsa_id":"GHSA-xv2p-wchj-qjhp","id":"tcs_01M5KGFP22HD311BTYF55RKNX1","modified_at":"2026-03-23T18:45:15.212931Z","published_at":"2026-03-23T18:14:47Z","references":["https://osv.dev/vulnerability/GO-2026-4733","https://github.com/advisories/GHSA-xv2p-wchj-qjhp","https://nvd.nist.gov/vuln/detail/CVE-2026-25780","https://github.com/mattermost/mattermost/commit/86797c508c444e299b20889ce241fde505a402cc","https://mattermost.com/security-updates"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-4733#Go/github.com/mattermost/mattermost/server/v8","url":"https://osv.dev/vulnerability/GO-2026-4733"}],"summary":"Mattermost fails to bound memory allocation when processing DOC files in github.com/mattermost/mattermost-server"}