CVE-2026-18411

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-05. A secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 8.1Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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.

CVSS v3
8.1
EG Score
8.1HIGHmedium confidence
EG Risk
37
EG Risk 37/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.3%
EPSS %ILE
24th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 5, 2026

Last Modified

September 8, 2026

Advisory Details (1)

Auto-updated Aug 5, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Acrisure KARR BT and DR-100 | CISA

Acrisure KARR BT and DR-100 | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

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

Vendor Advisories for CVE-2026-18411(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 18× in last 7d / 90× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 210 total refreshes for this CVE.

  1. 2026-10-04 23:29 UTCEG score recompute
  2. 2026-10-04 23:29 UTCGHSA enrichment
  3. 2026-10-04 23:21 UTCEPSS rescore
  4. 2026-10-04 05:57 UTCEG score recompute
  5. 2026-10-04 05:57 UTCGHSA enrichment
  6. 2026-10-03 14:25 UTCEPSS rescore
  7. 2026-10-03 01:07 UTCEG score recompute
  8. 2026-10-03 01:07 UTCGHSA enrichment
  9. 2026-10-02 09:50 UTCEG score recompute
  10. 2026-10-02 09:50 UTCGHSA enrichment
  11. 2026-10-01 19:49 UTCEPSS rescore
  12. 2026-10-01 13:17 UTCGHSA enrichment
  13. 2026-10-01 02:14 UTCEG score recompute
  14. 2026-10-01 02:14 UTCGHSA enrichment
  15. 2026-09-30 15:02 UTCEPSS rescore
  16. 2026-09-29 15:20 UTCEPSS rescore
  17. 2026-09-29 06:12 UTCEG score recompute
  18. 2026-09-29 06:12 UTCGHSA enrichment
  19. 2026-09-28 13:51 UTCEPSS rescore
  20. 2026-09-28 04:40 UTCGHSA enrichment
  21. 2026-09-27 17:38 UTCEG score recompute
  22. 2026-09-27 17:38 UTCGHSA enrichment
  23. 2026-09-27 13:47 UTCEPSS rescore
  24. 2026-09-26 15:58 UTCEPSS rescore
  25. 2026-09-25 04:29 UTCEG score recompute
Show 75 more
  1. 2026-09-25 04:29 UTCGHSA enrichment
  2. 2026-09-24 09:08 UTCGHSA enrichment
  3. 2026-09-23 22:05 UTCEG score recompute
  4. 2026-09-23 22:05 UTCGHSA enrichment
  5. 2026-09-23 11:02 UTCGHSA enrichment
  6. 2026-09-22 23:59 UTCEG score recompute
  7. 2026-09-22 23:59 UTCGHSA enrichment
  8. 2026-09-22 12:57 UTCGHSA enrichment
  9. 2026-09-22 01:23 UTCEG score recompute
  10. 2026-09-22 01:23 UTCGHSA enrichment
  11. 2026-09-21 13:04 UTCEG score recompute
  12. 2026-09-21 13:04 UTCGHSA enrichment
  13. 2026-09-20 11:23 UTCGHSA enrichment
  14. 2026-09-20 00:18 UTCEG score recompute
  15. 2026-09-20 00:18 UTCGHSA enrichment
  16. 2026-09-19 13:14 UTCGHSA enrichment
  17. 2026-09-19 01:11 UTCEG score recompute
  18. 2026-09-19 01:11 UTCGHSA enrichment
  19. 2026-09-18 19:27 UTCEPSS rescore
  20. 2026-09-18 13:59 UTCGHSA enrichment
  21. 2026-09-18 02:53 UTCEG score recompute
  22. 2026-09-18 02:53 UTCGHSA enrichment
  23. 2026-09-17 15:49 UTCGHSA enrichment
  24. 2026-09-17 01:04 UTCEG score recompute
  25. 2026-09-17 01:04 UTCGHSA enrichment
  26. 2026-09-16 14:07 UTCEPSS rescore
  27. 2026-09-16 05:14 UTCEPSS rescore
  28. 2026-09-16 03:12 UTCGHSA enrichment
  29. 2026-09-15 16:09 UTCEG score recompute
  30. 2026-09-15 16:09 UTCGHSA enrichment
  31. 2026-09-15 01:20 UTCGHSA enrichment
  32. 2026-09-14 10:38 UTCGHSA enrichment
  33. 2026-09-13 23:34 UTCEG score recompute
  34. 2026-09-13 23:34 UTCGHSA enrichment
  35. 2026-09-13 16:46 UTCEPSS rescore
  36. 2026-09-13 12:31 UTCGHSA enrichment
  37. 2026-09-13 01:28 UTCEG score recompute
  38. 2026-09-13 01:28 UTCGHSA enrichment
  39. 2026-09-12 15:00 UTCEPSS rescore
  40. 2026-09-12 14:25 UTCGHSA enrichment
  41. 2026-09-12 03:22 UTCGHSA enrichment
  42. 2026-09-11 16:19 UTCEG score recompute
  43. 2026-09-11 16:19 UTCGHSA enrichment
  44. 2026-09-11 14:52 UTCEPSS rescore
  45. 2026-09-11 09:36 UTCEPSS rescore
  46. 2026-09-11 04:56 UTCGHSA enrichment
  47. 2026-09-10 17:53 UTCEG score recompute
  48. 2026-09-10 17:53 UTCGHSA enrichment
  49. 2026-09-10 09:34 UTCEPSS rescore
  50. 2026-09-10 06:41 UTCGHSA enrichment
  51. 2026-09-09 19:11 UTCGHSA enrichment
  52. 2026-09-09 07:24 UTCEG score recompute
  53. 2026-09-09 07:24 UTCGHSA enrichment
  54. 2026-09-08 22:00 UTCEPSS rescore
  55. 2026-09-08 20:21 UTCGHSA enrichment
  56. 2026-09-08 07:58 UTCGHSA enrichment
  57. 2026-09-07 18:11 UTCEG score recompute
  58. 2026-09-07 18:11 UTCGHSA enrichment
  59. 2026-09-07 16:01 UTCEPSS rescore
  60. 2026-09-06 16:31 UTCEG score recompute
  61. 2026-09-06 16:31 UTCGHSA enrichment
  62. 2026-09-06 13:47 UTCEPSS rescore
  63. 2026-09-06 05:28 UTCGHSA enrichment
  64. 2026-09-05 18:24 UTCEG score recompute
  65. 2026-09-05 18:24 UTCGHSA enrichment
  66. 2026-09-05 03:44 UTCEG score recompute
  67. 2026-09-05 03:44 UTCGHSA enrichment
  68. 2026-09-04 09:26 UTCEG score recompute
  69. 2026-09-04 09:26 UTCGHSA enrichment
  70. 2026-09-04 05:06 UTCEPSS rescore
  71. 2026-09-03 17:43 UTCGHSA enrichment
  72. 2026-09-03 06:38 UTCEG score recompute
  73. 2026-09-03 06:38 UTCGHSA enrichment
  74. 2026-09-02 14:11 UTCEPSS rescore
  75. 2026-09-02 07:25 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2026-18411?
CVE-2026-18411 is a high vulnerability published on August 5, 2026. 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…
When was CVE-2026-18411 disclosed?
CVE-2026-18411 was first published on August 5, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18411 actively exploited?
CVE-2026-18411 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (24th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-18411?
CVE-2026-18411 has a CVSS base score of 8.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-18411?
A fix for CVE-2026-18411 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-18411 are linked in the Vendor Advisories panel on this page.

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