CVE-2026-82766

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-14. A secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1.9%CVSS: 8.8Exploit: None knownExposed services: Not assessed

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

Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in SGA1000. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.

CVSS v3
8.8
EG Score
8.8HIGHhigh confidence
EG Risk
40
EG Risk 40/100CISA 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
Severity88% × 45%
Exploitation2% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
1.9%
EPSS %ILE
78th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (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

September 14, 2026

Last Modified

September 16, 2026

Advisory Details (2)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

JVNVU#99009004: Multiple vulnerabilities in Contec FLEXLAN series

https://jvn.jp/en/vu/JVNVU99009004/
generic
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_fl_26091000_en.pdf

Vendor Advisories for CVE-2026-82766(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 27× in last 7d / 88× 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. 2026-10-05 01:10 UTCEG score recompute
  2. 2026-10-05 01:10 UTCGHSA enrichment
  3. 2026-10-04 23:22 UTCEPSS rescore
  4. 2026-10-04 13:09 UTCGHSA enrichment
  5. 2026-10-04 01:00 UTCEG score recompute
  6. 2026-10-04 00:59 UTCGHSA enrichment
  7. 2026-10-03 14:26 UTCEPSS rescore
  8. 2026-10-03 13:05 UTCGHSA enrichment
  9. 2026-10-03 01:11 UTCEG score recompute
  10. 2026-10-03 01:11 UTCGHSA enrichment
  11. 2026-10-02 17:57 UTCEPSS rescore
  12. 2026-10-02 13:17 UTCGHSA enrichment
  13. 2026-10-02 01:11 UTCEG score recompute
  14. 2026-10-02 01:11 UTCGHSA enrichment
  15. 2026-10-01 19:50 UTCEPSS rescore
  16. 2026-10-01 13:17 UTCGHSA enrichment
  17. 2026-10-01 01:23 UTCEG score recompute
  18. 2026-10-01 01:23 UTCGHSA enrichment
  19. 2026-09-30 15:04 UTCEPSS rescore
  20. 2026-09-30 13:30 UTCGHSA enrichment
  21. 2026-09-30 01:33 UTCEG score recompute
  22. 2026-09-30 01:33 UTCGHSA enrichment
  23. 2026-09-29 08:25 UTCEG score recompute
  24. 2026-09-29 08:25 UTCGHSA enrichment
  25. 2026-09-28 20:30 UTCEG score recompute
Show 63 more
  1. 2026-09-28 20:30 UTCGHSA enrichment
  2. 2026-09-28 13:52 UTCEPSS rescore
  3. 2026-09-28 08:35 UTCGHSA enrichment
  4. 2026-09-27 20:41 UTCEG score recompute
  5. 2026-09-27 20:41 UTCGHSA enrichment
  6. 2026-09-27 13:48 UTCEPSS rescore
  7. 2026-09-27 08:47 UTCGHSA enrichment
  8. 2026-09-26 20:53 UTCEG score recompute
  9. 2026-09-26 20:52 UTCGHSA enrichment
  10. 2026-09-26 15:59 UTCEPSS rescore
  11. 2026-09-26 08:58 UTCEG score recompute
  12. 2026-09-26 08:58 UTCGHSA enrichment
  13. 2026-09-25 20:58 UTCGHSA enrichment
  14. 2026-09-25 07:05 UTCGHSA enrichment
  15. 2026-09-24 19:11 UTCEG score recompute
  16. 2026-09-24 19:11 UTCGHSA enrichment
  17. 2026-09-24 14:04 UTCEPSS rescore
  18. 2026-09-24 07:17 UTCGHSA enrichment
  19. 2026-09-23 19:23 UTCEG score recompute
  20. 2026-09-23 19:23 UTCGHSA enrichment
  21. 2026-09-23 17:54 UTCEPSS rescore
  22. 2026-09-23 06:36 UTCGHSA enrichment
  23. 2026-09-22 18:43 UTCEG score recompute
  24. 2026-09-22 18:42 UTCGHSA enrichment
  25. 2026-09-22 16:01 UTCEPSS rescore
  26. 2026-09-22 06:47 UTCEG score recompute
  27. 2026-09-22 06:47 UTCGHSA enrichment
  28. 2026-09-21 21:09 UTCEPSS rescore
  29. 2026-09-21 18:53 UTCGHSA enrichment
  30. 2026-09-21 07:00 UTCEG score recompute
  31. 2026-09-21 06:59 UTCGHSA enrichment
  32. 2026-09-20 20:16 UTCEPSS rescore
  33. 2026-09-20 19:03 UTCGHSA enrichment
  34. 2026-09-20 07:08 UTCGHSA enrichment
  35. 2026-09-19 19:14 UTCEG score recompute
  36. 2026-09-19 19:14 UTCGHSA enrichment
  37. 2026-09-19 07:15 UTCEG score recompute
  38. 2026-09-19 07:15 UTCGHSA enrichment
  39. 2026-09-18 19:28 UTCEPSS rescore
  40. 2026-09-18 19:22 UTCGHSA enrichment
  41. 2026-09-18 07:28 UTCGHSA enrichment
  42. 2026-09-17 19:34 UTCEG score recompute
  43. 2026-09-17 19:34 UTCGHSA enrichment
  44. 2026-09-17 07:32 UTCGHSA enrichment
  45. 2026-09-16 19:37 UTCEG score recompute
  46. 2026-09-16 19:37 UTCGHSA enrichment
  47. 2026-09-16 14:08 UTCEPSS rescore
  48. 2026-09-16 12:04 UTCEG score recompute
  49. 2026-09-16 12:04 UTCGHSA enrichment
  50. 2026-09-16 05:15 UTCEPSS rescore
  51. 2026-09-16 00:09 UTCGHSA enrichment
  52. 2026-09-15 12:15 UTCEG score recompute
  53. 2026-09-15 12:15 UTCGHSA enrichment
  54. 2026-09-15 03:12 UTCEPSS rescore
  55. 2026-09-15 03:12 UTCEPSS rescore
  56. 2026-09-15 00:21 UTCGHSA enrichment
  57. 2026-09-14 12:27 UTCEG score recompute
  58. 2026-09-14 12:27 UTCGHSA enrichment
  59. 2026-09-14 11:25 UTCEG score recompute
  60. 2026-09-14 11:25 UTCGHSA enrichment
  61. 2026-09-14 07:20 UTCEG score recompute
  62. 2026-09-14 06:55 UTCEG score recompute
  63. 2026-09-14 06:54 UTCMITRE cvelistV5first tracked

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Frequently asked(5)

What is CVE-2026-82766?
CVE-2026-82766 is a high vulnerability published on September 14, 2026. Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in SGA1000. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.
When was CVE-2026-82766 disclosed?
CVE-2026-82766 was first published on September 14, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82766 actively exploited?
CVE-2026-82766 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.9% probability of exploitation in the next 30 days (78th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-82766?
CVE-2026-82766 has a CVSS base score of 8.8 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-82766?
No fix for CVE-2026-82766 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-82766 are linked in the Vendor Advisories panel on this page.

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