CVE-2026-69658

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-28. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

MQTT credentials and control traffic are transmitted in cleartext, exposing sensitive information to network-level attackers. This may enable unauthorized device impersonation and disruption of messaging functions.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

August 27, 2026

Last Modified

August 31, 2026

Advisory Details (2)

Auto-updated Sep 14, 2026
Patch available. Sources: cisa.
cisa Patch Available

Ebyte NE2-D11 | CISA

https://www.cisa.gov/news-events/ics-advisories/icsa-26-237-06
generic

CSAF/csaf_files/OT/white/2026/icsa-26-237-06.json at develop · cisagov/CSAF · GitHub

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-237-06.json

Vendor Advisories for CVE-2026-69658(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 51× in last 7d / 185× 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 185 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-69658?
CVE-2026-69658 is a critical vulnerability published on August 27, 2026. MQTT credentials and control traffic are transmitted in cleartext, exposing sensitive information to network-level attackers. This may enable unauthorized device impersonation and disruption of messaging functions.
When was CVE-2026-69658 disclosed?
CVE-2026-69658 was first published in the National Vulnerability Database on August 27, 2026, with the most recent update on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-69658 actively exploited?
CVE-2026-69658 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 84.7% of all scored CVEs.
What is the CVSS score of CVE-2026-69658?
CVE-2026-69658 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-69658?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-69658, 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.

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