CVE-2026-82790

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreHIGH confidence

Score 5.4 from GitHub Security Advisory published 2026-09-14. a secondary CVSS source baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: None knownExposed: 0

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

Cross-site scripting vulnerability exists in PC-HELPER Wireless I/O DIO-0404RY-LWF and PC-HELPER Wireless I/O DIO-0404RY-LWF-US. If this vulnerability is exploited, an arbitrary script may be executed on a logged-in user's web browser.

CVSS v3
5.4
EG Score
5.4(high)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity54% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
13%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 16, 2026

Advisory Details (2)

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

JVNVU#90314828: Multiple vulnerabilities in Contec PC-HELPER series

https://jvn.jp/en/vu/JVNVU90314828/
generic
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_ph_26091000_en.pdf

Vendor Advisories for CVE-2026-82790(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 17× in last 7d / 36× 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. 2026-09-24 14:45 UTCEG score recompute
  2. 2026-09-24 14:45 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-23 17:54 UTCEPSS rescore
  5. 2026-09-23 15:30 UTCGHSA enrichment
  6. 2026-09-22 16:16 UTCEG score recompute
  7. 2026-09-22 16:16 UTCGHSA enrichment
  8. 2026-09-22 16:01 UTCEPSS rescore
  9. 2026-09-21 21:09 UTCEPSS rescore
  10. 2026-09-21 17:01 UTCEG score recompute
  11. 2026-09-21 17:01 UTCGHSA enrichment
  12. 2026-09-20 20:16 UTCEPSS rescore
  13. 2026-09-20 17:17 UTCGHSA enrichment
  14. 2026-09-19 18:03 UTCEG score recompute
  15. 2026-09-19 18:03 UTCGHSA enrichment
  16. 2026-09-18 19:28 UTCEPSS rescore
  17. 2026-09-18 18:49 UTCGHSA enrichment
  18. 2026-09-17 19:34 UTCEG score recompute
  19. 2026-09-17 19:34 UTCGHSA enrichment
  20. 2026-09-16 19:37 UTCEG score recompute
  21. 2026-09-16 19:36 UTCGHSA enrichment
  22. 2026-09-16 14:08 UTCEPSS rescore
  23. 2026-09-16 11:58 UTCEG score recompute
  24. 2026-09-16 11:58 UTCGHSA enrichment
  25. 2026-09-16 05:15 UTCEPSS rescore
Show 11 more
  1. 2026-09-15 12:44 UTCEG score recompute
  2. 2026-09-15 12:44 UTCGHSA enrichment
  3. 2026-09-15 03:12 UTCEPSS rescore
  4. 2026-09-15 03:12 UTCEPSS rescore
  5. 2026-09-14 13:29 UTCEG score recompute
  6. 2026-09-14 13:29 UTCGHSA enrichment
  7. 2026-09-14 12:25 UTCEG score recompute
  8. 2026-09-14 12:25 UTCGHSA enrichment
  9. 2026-09-14 07:20 UTCEG score recompute
  10. 2026-09-14 06:55 UTCEG score recompute
  11. 2026-09-14 06:54 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-82790?
CVE-2026-82790 is a medium vulnerability published on September 14, 2026. Cross-site scripting vulnerability exists in PC-HELPER Wireless I/O DIO-0404RY-LWF and PC-HELPER Wireless I/O DIO-0404RY-LWF-US. If this vulnerability is exploited, an arbitrary script may be executed on a logged-in user's web browser.
When was CVE-2026-82790 disclosed?
CVE-2026-82790 was first published in the National Vulnerability Database 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-2026-82790 actively exploited?
CVE-2026-82790 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 87.2% of all scored CVEs.
What is the CVSS score of CVE-2026-82790?
CVE-2026-82790 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-82790?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82790, 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-2026-82790

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