CVE-2026-8676 PUBLISHED

Assigner: Silabs
Reserved: 15.05.2026 Published: 26.05.2026 Updated: 26.05.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.8

Attack Vector	Adjacent Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	silabs.com
Product	Simplicity SDK
Versions	Default: unaffected affected from 0 to 2024.12.0 (excl.)

References

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

Problem Types

CWE-290 Authentication bypass by spoofing CWE

Impacts

CAPEC-114 Authentication Abuse