{"action":"Upgrade github.com/fleetdm/fleet to 4.75.2 or later.","affected":[{"fixed":"4.78.2","introduced":"4.78.0"},{"fixed":"4.77.1","introduced":"4.77.0"},{"fixed":"4.76.2","introduced":"4.76.0"},{"fixed":"4.75.2","introduced":"4.75.0"}],"component":"github.com/fleetdm/fleet","cve_ids":["CVE-2026-22808"],"ecosystem":"Go","epss":0.00249,"exploited":false,"fixed_versions":["4.78.2","4.77.1","4.76.2","4.75.2"],"ghsa_id":"GHSA-gfpw-jgvr-cw4j","id":"tcs_01M5KFAX1GG2R9J8NQWMBK4KK8","modified_at":"2026-02-03T22:41:17.423857Z","published_at":"2026-01-20T20:52:17Z","references":["https://osv.dev/vulnerability/GHSA-gfpw-jgvr-cw4j","https://github.com/fleetdm/fleet/security/advisories/GHSA-gfpw-jgvr-cw4j","https://nvd.nist.gov/vuln/detail/CVE-2026-22808","https://github.com/fleetdm/fleet/commit/0e6c790803d1b4407c5b4b41a67a37864a3d3573","https://github.com/fleetdm/fleet"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-gfpw-jgvr-cw4j","url":"https://osv.dev/vulnerability/GHSA-gfpw-jgvr-cw4j"},{"source":"nvd","source_id":"CVE-2026-22808","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22808"}],"summary":"Fleet Windows MDM endpoint has a Cross-site Scripting vulnerability"}