CVE-2026-20744

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM 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 — 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: 1%CVSS: 9.8Exploit: None knownExposed: 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(medium)
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%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
52%
KEV
Not listed

Published

July 10, 2026

Last Modified

July 14, 2026

Advisory Details (3)

Auto-updated Aug 29, 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 32× in last 7d / 215× 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 323 total refreshes for this CVE.

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

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 1% probability of exploitation in the next 30 days, which ranks it in the top 47.8% of all scored CVEs.
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.

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