{"id":"CVE-2026-8676","aliases":["EUVD-2026-31969","GHSA-h7g2-qqw7-mf7r"],"status":"published","title":"An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an...","description":"An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00202,"percentile":0.10284,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-290"],"published":"2026-05-26T19:36:53Z","modified":"2026-07-23T11:10:00Z","products":[{"vendor":"silabs.com","product":"simplicity sdk"}],"references":[{"url":"https://community.silabs.com/068Vm00000p3N9C","tags":["vendor-advisory"]},{"url":"https://www.silabs.com/documents/public/release-notes/bt-software-release-notes-9.0.0.0.pdf","tags":["release-notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8676"},{"url":"https://github.com/advisories/GHSA-h7g2-qqw7-mf7r"}],"sources":{"cve":[{"id":"CVE-2026-8676","description":"An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond.","status":"published","published":"2026-05-26T19:36:53.947Z","modified":"2026-05-26T20:47:58.785Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T13:48:02.226896Z"}],"euvd":[{"id":"EUVD-2026-31969","description":"An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond.","status":"published","published":"2026-05-26T19:36:53Z","modified":"2026-05-26T20:47:58Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:21:06.423934Z"}],"ghsa":[{"id":"GHSA-h7g2-qqw7-mf7r","title":"An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an...","description":"An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond.","status":"published","published":"2026-05-26T21:32:01Z","modified":"2026-05-26T21:32:07Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T15:08:18.762226Z"}],"nvd":[{"id":"CVE-2026-8676","description":"An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond.","status":"published","published":"2026-05-26T21:16:44.63Z","modified":"2026-07-23T11:10:00.12Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T14:12:20.511562Z"}]}}