CVE-2026-18411

7.2 highEPSS 0.3%

High (7.2). EPSS 0.3% chance of exploitation in the next 30 days.

The KARR Security System and SWDS dealer-installed automotive anti-theft systems use a shared Bluetooth authentication key across affected devices. An attacker within Bluetooth range can leverage this weakness to issue unauthorized commands to the vehicle, potentially allowing unauthorized access to vehicle functions, including door unlocking and engine immobilization.

Severity

CVSS 4.0

7.2 high

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

8.1 high

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)
CWE: CWE-321
Published: 2026-08-05
Modified: 2026-09-08
Record from: the NVD, synced 2026-10-19

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-216-01

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