{"action":"Upgrade github.com/fleetdm/fleet/v4 to 4.80.1 or later.","affected":[{"fixed":"4.80.1","introduced":"0"}],"component":"github.com/fleetdm/fleet/v4","cve_ids":["CVE-2026-23999"],"ecosystem":"Go","epss":0.00141,"exploited":false,"fixed_versions":["4.80.1"],"ghsa_id":"GHSA-ppwx-5jq7-px2w","id":"tcs_01M5KGEJ8T1WBVJR8VA02K7QT5","modified_at":"2026-03-09T01:13:01.474159Z","published_at":"2026-02-27T02:17:00Z","references":["https://osv.dev/vulnerability/GO-2026-4564","https://github.com/fleetdm/fleet/security/advisories/GHSA-ppwx-5jq7-px2w","https://nvd.nist.gov/vuln/detail/CVE-2026-23999","https://github.com/fleetdm/fleet/commit/05ca0693621e6671fb95dfc5437b9f9ee6dd7047"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"GO-2026-4564","url":"https://osv.dev/vulnerability/GO-2026-4564"},{"source":"nvd","source_id":"CVE-2026-23999","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23999"}],"summary":"Fleet: Device lock PIN can be predicted if lock time is known in github.com/fleetdm/fleet"}