{"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-2026-23998"],"ecosystem":"Go","epss":0.00214,"exploited":false,"fixed_versions":["4.81.0"],"ghsa_id":"GHSA-2rc4-7jc6-qffh","id":"tcs_01M5KGH9AXBYV0GJH91FYZM434","modified_at":"2026-05-26T23:15:13.639712222Z","published_at":"2026-05-26T22:48:34Z","references":["https://osv.dev/vulnerability/GO-2026-5002","https://github.com/fleetdm/fleet/security/advisories/GHSA-2rc4-7jc6-qffh","https://github.com/fleetdm/fleet/commit/3ff8119ab8f794806a4cc82e21f760c123d92966"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GO-2026-5002","url":"https://osv.dev/vulnerability/GO-2026-5002"},{"source":"nvd","source_id":"CVE-2026-23998","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23998"}],"summary":"Windows MDM management endpoint authentication bypass in github.com/fleetdm/fleet/v4"}