{"action":"Upgrade github.com/mattermost/mattermost-server to 10.11.11+incompatible or later.","affected":[{"fixed":"10.11.11+incompatible","introduced":"10.11.0-rc1+incompatible"},{"fixed":"11.2.3+incompatible","introduced":"11.2.0-rc1+incompatible"},{"fixed":"11.3.1+incompatible","introduced":"11.3.0-rc1+incompatible"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2026-25780"],"ecosystem":"Go","epss":0.00278,"exploited":false,"fixed_versions":["10.11.11+incompatible","11.2.3+incompatible","11.3.1+incompatible"],"ghsa_id":"GHSA-xv2p-wchj-qjhp","id":"tcs_01M5KGFNJ3V5TE7WY5RTFTF48T","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":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GO-2026-4733","url":"https://osv.dev/vulnerability/GO-2026-4733"},{"source":"nvd","source_id":"CVE-2026-25780","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25780"}],"summary":"Mattermost fails to bound memory allocation when processing DOC files in github.com/mattermost/mattermost-server"}