{"id":"CVE-2026-77546","aliases":["EUVD-2026-66391","GHSA-5w34-g34q-j649"],"status":"published","title":"A malicious actor with access to the network and low privileges could exploit an Improper Input...","description":"A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi Access Application to execute a Command Injection on the host device.","severity":{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01444,"percentile":0.73484,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2026-08-26T10:16:47Z","modified":"2026-08-28T21:30:58Z","products":[{"vendor":"ubiquiti inc","product":"unifi access application"}],"references":[{"url":"https://community.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43-4628-8bab-f715e96dbfc9"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77546"},{"url":"https://github.com/advisories/GHSA-5w34-g34q-j649"}],"sources":{"cve":[{"id":"CVE-2026-77546","description":"A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi Access Application to execute a Command Injection on the host device.","status":"published","published":"2026-08-26T10:16:47.849Z","modified":"2026-08-26T13:19:37.445Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:20:15.712761Z"}],"euvd":[{"id":"EUVD-2026-66391","description":"A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi Access Application to execute a Command Injection on the host device.","status":"published","published":"2026-08-26T10:16:47Z","modified":"2026-08-26T13:19:37Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:01:31.267984Z"}],"ghsa":[{"id":"GHSA-5w34-g34q-j649","title":"A malicious actor with access to the network and low privileges could exploit an Improper Input...","description":"A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi Access Application to execute a Command Injection on the host device.","status":"published","published":"2026-08-28T21:30:57Z","modified":"2026-08-28T21:30:58Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:11:08.095363Z"}],"nvd":[{"id":"CVE-2026-77546","description":"A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi Access Application to execute a Command Injection on the host device.","status":"published","published":"2026-08-26T11:16:38.463Z","modified":"2026-08-28T18:49:15.34Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:12:41.66469Z"}]}}