CVE-2026-20744

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-11. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

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

The charging station websocket endpoint accepts connections without proper authentication, which could lead to privilege escalation.

CVSS v3
9.8
EG Score
9.8(high)
EPSS
40.5%
KEV
Not listed

Published

July 10, 2026

Last Modified

July 14, 2026

Advisory Details (3)

Auto-updated Jul 13, 2026
Patch available. Sources: cisa.
generic

Nous joindre | Hydro-Québec

https://www.hydroquebec.com/nous-joindre/
cisa Patch Available

Hydro-Québec Le Circuit Electrique charging station backend | CISA

https://www.cisa.gov/news-events/ics-advisories/icsa-26-188-01
generic

CSAF/csaf_files/OT/white/2026/icsa-26-188-01.json at develop · cisagov/CSAF · GitHub

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-188-01.json

Vendor Advisories for CVE-2026-20744(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 65× in last 7d / 65× 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. 2026-07-15 09:47 UTCEG score recompute
  2. 2026-07-15 09:47 UTCGHSA enrichment
  3. 2026-07-15 05:58 UTCEG score recompute
  4. 2026-07-15 05:57 UTCGHSA enrichment
  5. 2026-07-15 02:00 UTCEG score recompute
  6. 2026-07-15 02:00 UTCGHSA enrichment
  7. 2026-07-15 02:00 UTCEPSS rescore
  8. 2026-07-15 02:00 UTCEPSS rescore
  9. 2026-07-14 22:11 UTCEG score recompute
  10. 2026-07-14 22:11 UTCGHSA enrichment
  11. 2026-07-14 18:20 UTCEG score recompute
  12. 2026-07-14 18:20 UTCGHSA enrichment
  13. 2026-07-14 14:31 UTCEG score recompute
  14. 2026-07-14 14:31 UTCGHSA enrichment
  15. 2026-07-14 10:41 UTCEG score recompute
  16. 2026-07-14 10:40 UTCGHSA enrichment
  17. 2026-07-14 06:44 UTCEG score recompute
  18. 2026-07-14 06:44 UTCGHSA enrichment
  19. 2026-07-14 02:51 UTCEG score recompute
  20. 2026-07-14 02:51 UTCGHSA enrichment
  21. 2026-07-13 23:02 UTCEG score recompute
  22. 2026-07-13 23:02 UTCGHSA enrichment
  23. 2026-07-13 22:30 UTCEPSS rescore
  24. 2026-07-13 19:13 UTCEG score recompute
  25. 2026-07-13 19:13 UTCGHSA enrichment
Show 40 more
  1. 2026-07-13 15:23 UTCEG score recompute
  2. 2026-07-13 15:23 UTCGHSA enrichment
  3. 2026-07-13 11:34 UTCEG score recompute
  4. 2026-07-13 11:34 UTCGHSA enrichment
  5. 2026-07-13 07:45 UTCEG score recompute
  6. 2026-07-13 07:45 UTCGHSA enrichment
  7. 2026-07-13 06:13 UTCEPSS rescore
  8. 2026-07-13 06:13 UTCEPSS rescore
  9. 2026-07-13 03:56 UTCEG score recompute
  10. 2026-07-13 03:56 UTCGHSA enrichment
  11. 2026-07-13 00:06 UTCEG score recompute
  12. 2026-07-13 00:06 UTCGHSA enrichment
  13. 2026-07-12 20:15 UTCEG score recompute
  14. 2026-07-12 20:15 UTCGHSA enrichment
  15. 2026-07-12 16:25 UTCEG score recompute
  16. 2026-07-12 16:25 UTCGHSA enrichment
  17. 2026-07-12 12:36 UTCEG score recompute
  18. 2026-07-12 12:36 UTCGHSA enrichment
  19. 2026-07-12 08:46 UTCEG score recompute
  20. 2026-07-12 08:46 UTCGHSA enrichment
  21. 2026-07-12 05:46 UTCEPSS rescore
  22. 2026-07-12 05:46 UTCEPSS rescore
  23. 2026-07-12 04:57 UTCEG score recompute
  24. 2026-07-12 04:57 UTCGHSA enrichment
  25. 2026-07-12 01:08 UTCEG score recompute
  26. 2026-07-12 01:08 UTCGHSA enrichment
  27. 2026-07-11 21:19 UTCEG score recompute
  28. 2026-07-11 21:19 UTCGHSA enrichment
  29. 2026-07-11 17:29 UTCEG score recompute
  30. 2026-07-11 17:29 UTCGHSA enrichment
  31. 2026-07-11 13:40 UTCEG score recompute
  32. 2026-07-11 13:40 UTCGHSA enrichment
  33. 2026-07-11 09:51 UTCEG score recompute
  34. 2026-07-11 09:51 UTCGHSA enrichment
  35. 2026-07-11 06:02 UTCEG score recompute
  36. 2026-07-11 06:01 UTCGHSA enrichment
  37. 2026-07-11 02:10 UTCEG score recompute
  38. 2026-07-11 02:10 UTCGHSA enrichment
  39. 2026-07-10 22:18 UTCEG score recompute
  40. 2026-07-10 22:17 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-20744?
CVE-2026-20744 is a critical vulnerability published on July 10, 2026. The charging station websocket endpoint accepts connections without proper authentication, which could lead to privilege escalation.
When was CVE-2026-20744 disclosed?
CVE-2026-20744 was first published in the National Vulnerability Database on July 10, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-20744 actively exploited?
CVE-2026-20744 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 40.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-20744?
CVE-2026-20744 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-20744?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20744, 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-2026-20744

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