CVE-2026-66411

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-08-10. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

DEEBOT PRO M1 and DEEBOT PRO K1VAC incorrectly implement authentication algorithm in Websocket communications. An unauthenticated attacker may connect and operate the affected robot.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
39(Track)
EG Risk 39/100SSVC: Track

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
Severity53% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
14%
KEV
Not listed

Published

August 10, 2026

Last Modified

August 28, 2026

Advisory Details (2)

Auto-updated Aug 10, 2026
No patch confirmed yet.
generic

JVNVU#92804348: Multiple vulnerabilities in DEEBOT PRO M1, DEEBOT PRO K1VAC and ECOVACS PRO App

https://jvn.jp/en/vu/JVNVU92804348/
generic

DEEBOT PRO M1/K1VAC ファームウェア更新のお知らせ　　　（2026年3月31日更新） ｜ ロボット紹介−ハロハスロボティクス

https://robot.hellohas.co.jp/news/update_20260331/

Vendor Advisories for CVE-2026-66411(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 / 80× 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 113 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-66411?
CVE-2026-66411 is a medium vulnerability published on August 10, 2026. DEEBOT PRO M1 and DEEBOT PRO K1VAC incorrectly implement authentication algorithm in Websocket communications. An unauthenticated attacker may connect and operate the affected robot.
When was CVE-2026-66411 disclosed?
CVE-2026-66411 was first published in the National Vulnerability Database on August 10, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66411 actively exploited?
CVE-2026-66411 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 85.8% of all scored CVEs.
What is the CVSS score of CVE-2026-66411?
CVE-2026-66411 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-66411?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66411, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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