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Vulnerability record · CVE-2026-8676 · published 26 May 2026

CVE-2026-8676: Authentication bypass by spoofing vulnerability

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.

8.8 CVSS 3.1 High EPSS 0.32% · top 78.1% CWE-290 · Authentication bypass by spoofing Awaiting Analysis
8.8CVSS 3.1 base score
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
23 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://community.silabs.com/068Vm00000p3N9C
https://www.silabs.com/documents/public/release-notes/bt-software-release-notes-9.0.0.0.pdf

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-8676), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.