{"action":"Upgrade github.com/fleetdm/fleet/v4 to 4.43.5-0.20260111020427-0e6c790803d1 or later.","affected":[{"fixed":"4.43.5-0.20260111020427-0e6c790803d1","introduced":"0"}],"component":"github.com/fleetdm/fleet/v4","cve_ids":["CVE-2026-22808"],"ecosystem":"Go","epss":0.00249,"exploited":false,"fixed_versions":["4.43.5-0.20260111020427-0e6c790803d1"],"ghsa_id":"GHSA-gfpw-jgvr-cw4j","id":"tcs_01M5KFAX6XAQZSAQV78FY8YWMQ","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#Go/github.com/fleetdm/fleet/v4","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"}