{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/mattermost/mattermost-server/v5","cve_ids":["CVE-2026-25780"],"ecosystem":"Go","epss":0.00278,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-xv2p-wchj-qjhp","id":"tcs_01M5KGFNPSTJP2BABBQD5NN35Z","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#Go/github.com/mattermost/mattermost-server/v5","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"}