CVE-2026-66411

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH 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(high)
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
32%
KEV
Not listed

Published

August 10, 2026

Last Modified

August 10, 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 / 33× 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.

  1. 2026-08-19 17:04 UTCEPSS rescore
  2. 2026-08-19 13:25 UTCGHSA enrichment
  3. 2026-08-18 15:38 UTCEG score recompute
  4. 2026-08-18 15:38 UTCGHSA enrichment
  5. 2026-08-18 13:48 UTCEPSS rescore
  6. 2026-08-17 17:30 UTCEG score recompute
  7. 2026-08-17 17:30 UTCGHSA enrichment
  8. 2026-08-17 13:47 UTCEPSS rescore
  9. 2026-08-16 19:52 UTCEG score recompute
  10. 2026-08-16 19:52 UTCGHSA enrichment
  11. 2026-08-16 14:56 UTCEPSS rescore
  12. 2026-08-15 22:14 UTCEG score recompute
  13. 2026-08-15 22:14 UTCGHSA enrichment
  14. 2026-08-15 01:30 UTCEPSS rescore
  15. 2026-08-15 00:36 UTCGHSA enrichment
  16. 2026-08-14 02:57 UTCEG score recompute
  17. 2026-08-14 02:57 UTCGHSA enrichment
  18. 2026-08-13 22:00 UTCEPSS rescore
  19. 2026-08-13 05:19 UTCEG score recompute
  20. 2026-08-13 05:19 UTCGHSA enrichment
  21. 2026-08-12 13:51 UTCEPSS rescore
  22. 2026-08-12 07:41 UTCEG score recompute
  23. 2026-08-12 07:41 UTCGHSA enrichment
  24. 2026-08-11 10:02 UTCEG score recompute
  25. 2026-08-11 10:02 UTCGHSA enrichment
Show 8 more
  1. 2026-08-11 00:00 UTCEPSS rescore
  2. 2026-08-10 12:24 UTCEG score recompute
  3. 2026-08-10 12:24 UTCGHSA enrichment
  4. 2026-08-10 11:21 UTCEG score recompute
  5. 2026-08-10 11:21 UTCGHSA enrichment
  6. 2026-08-10 09:20 UTCEG score recompute
  7. 2026-08-10 08:16 UTCEG score recompute
  8. 2026-08-10 08:16 UTCMITRE cvelistV5first tracked

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. 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 67.6% 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

Explore the affected products and dependency analysis for CVE-2026-66411

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