CVE-2026-18411General

LOWCVSS 7.2 · HIGH

Exploitation ongoing with high activity in latest observed window (3 mentions)

Immediate actions

  • Prioritize remediation for affected systems immediately
  • Assume compromise if assets are exposed
  • Track advisory updates for patch or workaround availability

Recommended action window: Immediate (within 24h)

NVD description

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.

3.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-321

Priority

LOW

Exploitation

ACTIVE

PoC

NONE

Patch

NONE

Momentum

STABLE

Threat summary

  • Active exploitation appears in 1 classified signals
  • 4 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Active exploitation reported across 1 signal
  • Technical details provided in 3 signals
  • General: 2 classified signals
  • Disclosure: 1 classified signal
  • Peaked at 3 mentions on most recent observed day (2026-08-06)
  • 4 total mentions across 2 days

Deep dive

Activity timeline4 mentions / 2d
01223Mentions · 2026-08-05: 1Mentions · 2026-08-06: 3Active Exploitation · 2026-08-05: 1Technical Details · 2026-08-05: 1Technical Details · 2026-08-06: 208-0508-06
Signal classification3 categories
General
250.0%
Active Exploitation
125.0%
Disclosure
125.0%
Referenced assets4 URLs
Classification over time
DateTotalLabels
2026-08-051
Active Exploitation1
2026-08-063
Disclosure1General2
Full discourse4 posts
  • CVE@CVEnew
    General

    CVE-2026-18411 The KARR Security System and SWDS dealer-installed automotive anti-theft systems use a shared Bluetooth authentication key across affected devices. An attacker within… https://www.cve.org/CVERecord?id=CVE-2026-18411

    Post summary

    The post notes CVE‑2026‑18411, pointing out that KARR Security and SWDS anti‑theft systems share a Bluetooth authentication key, but offers no evidence of PoC, exploitation, or patch details.

    100101.3K
    58.1K followersView on X
  • Aviatrix Threat Research Center@aviatrixtrc
    Active Exploitation

    TRC analysis shows attackers exploiting CVE-2026-18411 can compromise millions of vehicles through a universal Bluetooth key in KARR Security Systems. Researchers observed lateral movement between vehicles using the shared vulnerability, enabling unauthorized door unlocks and engine disabling. Runtime segmentation could help limit blast radius in connected vehicle fleets. #IoTSecurity 🔗 Full TRC analysis: https://aviatrix.ai/threat-research-center/acrisure-karr-bt-dr-100-bluetooth-vulnerability-cve-2026-18411

    Post summary

    The tweet confirms that attackers are actively exploiting CVE‑2026‑18411 to compromise and remotely control vehicles via shared Bluetooth credentials, with documented lateral movement across fleets.

    0001060
    1.9K followersView on X
  • CERT-PY@CERTpy
    Disclosure

    ⚠️ Vulnerabilidad en productos Bluetooth ❗ CVE-2026-18411 ➡️ Más info: https://www.cert.gov.py/vulnerabilidad-en-productos-bluetooth/ https://t.co/yh7y6pXSHu

    Post summary

    The text announces a new Bluetooth vulnerability identified as CVE-2026-18411 and links to a site for additional details, but it does not provide technical specifics, PoC, exploit, or patch information.

    00000215
    6.7K followersView on X
  • Infoflowcloud@infoflowcloud
    General

    🚨*CVE* CVE-2026-18411 The KARR Security System and SWDS dealer-installed automotive anti-theft systems use a shared Bluetooth authentication key across affected devices. An attacker within… https://www.cve.org/CVERecord?id=CVE-2026-18411 ----- Traducción: CVE-2026-18411 El … http://infoflow.cloud`

    Post summary

    The post points to the CVE record and briefly notes a shared Bluetooth key vulnerability but offers no exploit, patch, or evidence of active use.

    00000163
    97 followersView on X

Explore more