{"action":"Upgrade github.com/fleetdm/fleet/v4 to 4.81.0 or later.","affected":[{"fixed":"4.81.0","introduced":"0"}],"component":"github.com/fleetdm/fleet/v4","cve_ids":["CVE-2026-34389"],"ecosystem":"Go","epss":0.00192,"exploited":false,"fixed_versions":["4.81.0"],"ghsa_id":"GHSA-4f9r-x588-pp2h","id":"tcs_01M5KEWEH9K76JP9GC0FP5GPVA","modified_at":"2026-04-02T21:26:23.829275910Z","published_at":"2026-03-30T19:29:13Z","references":["https://osv.dev/vulnerability/GHSA-4f9r-x588-pp2h","https://github.com/fleetdm/fleet/security/advisories/GHSA-4f9r-x588-pp2h","https://nvd.nist.gov/vuln/detail/CVE-2026-34389","https://github.com/fleetdm/fleet"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-4f9r-x588-pp2h","url":"https://osv.dev/vulnerability/GHSA-4f9r-x588-pp2h"},{"source":"nvd","source_id":"CVE-2026-34389","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34389"}],"summary":"Fleet's user account creation via invite does not enforce invited email address"}