{"id":"CVE-2026-21634","aliases":["EUVD-2026-0826","GHSA-w6v6-cxgj-7xh5"],"status":"published","title":"A malicious actor with access to the adjacent network could overflow the UniFi Protect...","description":"A malicious actor with access to the adjacent network could overflow the UniFi Protect Application (Version 6.1.79 and earlier) discovery protocol causing it to restart.\r\n\r\n\r\nAffected Products:\r\nUniFi Protect Application (Version 6.1.79 and earlier). \r\n \r\nMitigation:\r\nUpdate your UniFi Protect Application to Version 6.2.72 or later.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00431,"percentile":0.37632,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2026-01-05T16:47:38Z","modified":"2026-06-17T10:18:50Z","products":[{"vendor":"ubiquiti inc","product":"unifi protect application"},{"vendor":"ui","product":"unifi_protect"}],"references":[{"url":"https://community.ui.com/releases/Security-Advisory-Bulletin-058-058/6922ff20-8cd7-4724-8d8c-676458a2d0f9","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21634"},{"url":"https://github.com/advisories/GHSA-w6v6-cxgj-7xh5"}],"sources":{"cve":[{"id":"CVE-2026-21634","description":"A malicious actor with access to the adjacent network could overflow the UniFi Protect Application (Version 6.1.79 and earlier) discovery protocol causing it to restart.\r\n\r\n\r\nAffected Products:\r\nUniFi Protect Application (Version 6.1.79 and earlier). \r\n \r\nMitigation:\r\nUpdate your UniFi Protect Application to Version 6.2.72 or later.","status":"published","published":"2026-01-05T16:47:38.917Z","modified":"2026-01-05T20:42:08.706Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T13:41:53.237769Z"}],"euvd":[{"id":"EUVD-2026-0826","description":"A malicious actor with access to the adjacent network could overflow the UniFi Protect Application (Version 6.1.79 and earlier) discovery protocol causing it to restart.\r\n\r\n\r\nAffected Products:\r\nUniFi Protect Application (Version 6.1.79 and earlier). \r\n \r\nMitigation:\r\nUpdate your UniFi Protect Application to Version 6.2.72 or later.","status":"published","published":"2026-01-05T16:47:38Z","modified":"2026-01-05T20:42:08Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T19:48:55.889439Z"}],"ghsa":[{"id":"GHSA-w6v6-cxgj-7xh5","title":"A malicious actor with access to the adjacent network could overflow the UniFi Protect...","description":"A malicious actor with access to the adjacent network could overflow the UniFi Protect Application (Version 6.1.79 and earlier) discovery protocol causing it to restart.\n\n\nAffected Products:\nUniFi Protect Application (Version 6.1.79 and earlier). \n \nMitigation:\nUpdate your UniFi Protect Application to Version 6.2.72 or later.","status":"published","published":"2026-01-05T18:30:23Z","modified":"2026-01-05T21:31:38Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:05:29.894873Z"}],"nvd":[{"id":"CVE-2026-21634","description":"A malicious actor with access to the adjacent network could overflow the UniFi Protect Application (Version 6.1.79 and earlier) discovery protocol causing it to restart.\r\n\r\n\r\nAffected Products:\r\nUniFi Protect Application (Version 6.1.79 and earlier). \r\n \r\nMitigation:\r\nUpdate your UniFi Protect Application to Version 6.2.72 or later.","status":"published","published":"2026-01-05T17:15:47.243Z","modified":"2026-06-17T10:18:50.863Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:12:03.683495Z"}]}}