CVE-2026-19291CWE-290

CVE-2026-19291

High · published August 13, 2026

CVSS v3.1

8.8

EPSS

0%

Percentile

27.5

In the wild

Unconfirmed

What it is

Bluetooth re-pairing with an existing device can use a lower security level. RS9116W and SiWx91x impacted. See V3 in the BLERP paper linked below.

The record

Technical detail

CVSS v3.1: 8.8 · HIGH
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0: Not supplied
EPSS: 0.00351 · 27.5th percentile
Weakness: CWE-290 · Authentication Bypass by Spoofing
Published: 2026-08-13T19:19Z

References (4)

https://community.silabs.com/068Vm00000x0yyH · [email protected]https://docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116-ble-release-notes#bug-fixes · [email protected]https://docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisdk-wifible-ble-release-notes · [email protected]https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/ · [email protected]

EPSS history

Timeline

13 AUG 14:16Z
Bluetooth re-pairing can use a lower security level than previous
cvelistv5