{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/mattermost/mattermost-server/v6","cve_ids":["CVE-2026-4274"],"ecosystem":"Go","epss":0.00239,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-g7fp-cqj5-x8hf","id":"tcs_01M5KGKZF3PNK1TVKHBDZ95GZ1","modified_at":"2026-06-25T19:45:37.546431655Z","published_at":"2026-06-25T18:43:19Z","references":["https://osv.dev/vulnerability/GO-2026-5393","https://github.com/advisories/GHSA-g7fp-cqj5-x8hf","https://nvd.nist.gov/vuln/detail/CVE-2026-4274","https://mattermost.com/security-updates"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-5393#Go/github.com/mattermost/mattermost-server/v6","url":"https://osv.dev/vulnerability/GO-2026-5393"}],"summary":"Mattermost has an Incorrect Authorization issue in github.com/mattermost/mattermost-server"}