CVE-2026-66147

CRITICALPre-NVD 9.49.4—
EchelonGraph scoreHIGH confidence

Score 9.4 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-11. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
9.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.4Exploit: None knownExposed: 0

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

An unauthenticated command injection vulnerability was identified in the GMS Dispatcher Service in GMS 9.5.1 and earlier versions which allows remote attacker to perform remote code execution through specially crafted requests.

CVSS v3
9.4
EG Score
9.4(high)
EG Risk
58(Track)
EG Risk 58/100SSVC: 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
Severity94% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
62%
KEV
Not listed

Published

August 11, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Aug 11, 2026
No patch confirmed yet.
generic

Security Advisory

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0011

Vendor Advisories for CVE-2026-66147(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 55× in last 7d / 83× 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. 2026-08-21 06:55 UTCGHSA enrichment
  2. 2026-08-21 02:51 UTCEG score recompute
  3. 2026-08-21 02:51 UTCGHSA enrichment
  4. 2026-08-20 22:56 UTCEPSS rescore
  5. 2026-08-20 22:49 UTCGHSA enrichment
  6. 2026-08-20 18:47 UTCGHSA enrichment
  7. 2026-08-20 14:46 UTCGHSA enrichment
  8. 2026-08-20 10:45 UTCGHSA enrichment
  9. 2026-08-20 06:44 UTCGHSA enrichment
  10. 2026-08-20 02:43 UTCGHSA enrichment
  11. 2026-08-19 22:41 UTCGHSA enrichment
  12. 2026-08-19 18:40 UTCEG score recompute
  13. 2026-08-19 18:40 UTCGHSA enrichment
  14. 2026-08-19 17:04 UTCEPSS rescore
  15. 2026-08-19 13:43 UTCGHSA enrichment
  16. 2026-08-19 09:42 UTCGHSA enrichment
  17. 2026-08-19 05:41 UTCGHSA enrichment
  18. 2026-08-19 01:40 UTCGHSA enrichment
  19. 2026-08-18 21:39 UTCGHSA enrichment
  20. 2026-08-18 17:22 UTCEG score recompute
  21. 2026-08-18 17:22 UTCGHSA enrichment
  22. 2026-08-18 13:48 UTCEPSS rescore
  23. 2026-08-18 12:45 UTCGHSA enrichment
  24. 2026-08-18 08:22 UTCGHSA enrichment
  25. 2026-08-18 04:16 UTCGHSA enrichment
Show 58 more
  1. 2026-08-18 00:11 UTCGHSA enrichment
  2. 2026-08-17 20:04 UTCGHSA enrichment
  3. 2026-08-17 16:00 UTCEG score recompute
  4. 2026-08-17 16:00 UTCGHSA enrichment
  5. 2026-08-17 13:47 UTCEPSS rescore
  6. 2026-08-17 11:59 UTCGHSA enrichment
  7. 2026-08-17 07:58 UTCGHSA enrichment
  8. 2026-08-17 03:57 UTCGHSA enrichment
  9. 2026-08-16 23:56 UTCGHSA enrichment
  10. 2026-08-16 19:55 UTCGHSA enrichment
  11. 2026-08-16 15:54 UTCEG score recompute
  12. 2026-08-16 15:54 UTCGHSA enrichment
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-16 11:52 UTCGHSA enrichment
  15. 2026-08-16 07:51 UTCGHSA enrichment
  16. 2026-08-16 03:50 UTCEG score recompute
  17. 2026-08-16 03:50 UTCGHSA enrichment
  18. 2026-08-15 23:49 UTCGHSA enrichment
  19. 2026-08-15 19:48 UTCGHSA enrichment
  20. 2026-08-15 15:47 UTCGHSA enrichment
  21. 2026-08-15 11:46 UTCGHSA enrichment
  22. 2026-08-15 07:45 UTCGHSA enrichment
  23. 2026-08-15 03:44 UTCEG score recompute
  24. 2026-08-15 03:44 UTCGHSA enrichment
  25. 2026-08-15 01:30 UTCEPSS rescore
  26. 2026-08-14 23:43 UTCGHSA enrichment
  27. 2026-08-14 19:42 UTCGHSA enrichment
  28. 2026-08-14 15:41 UTCGHSA enrichment
  29. 2026-08-14 11:40 UTCGHSA enrichment
  30. 2026-08-14 07:39 UTCGHSA enrichment
  31. 2026-08-14 03:38 UTCGHSA enrichment
  32. 2026-08-13 23:38 UTCEG score recompute
  33. 2026-08-13 23:38 UTCGHSA enrichment
  34. 2026-08-13 22:00 UTCEPSS rescore
  35. 2026-08-13 19:36 UTCGHSA enrichment
  36. 2026-08-13 15:35 UTCGHSA enrichment
  37. 2026-08-13 11:32 UTCGHSA enrichment
  38. 2026-08-13 07:31 UTCGHSA enrichment
  39. 2026-08-13 03:29 UTCGHSA enrichment
  40. 2026-08-12 23:28 UTCGHSA enrichment
  41. 2026-08-12 19:27 UTCGHSA enrichment
  42. 2026-08-12 15:26 UTCGHSA enrichment
  43. 2026-08-12 14:48 UTCEG score recompute
  44. 2026-08-12 14:48 UTCGHSA enrichment
  45. 2026-08-12 13:51 UTCEPSS rescore
  46. 2026-08-12 13:31 UTCGHSA enrichment
  47. 2026-08-12 09:30 UTCGHSA enrichment
  48. 2026-08-12 05:29 UTCGHSA enrichment
  49. 2026-08-12 04:20 UTCEG score recompute
  50. 2026-08-12 04:20 UTCGHSA enrichment
  51. 2026-08-12 02:22 UTCEG score recompute
  52. 2026-08-12 02:22 UTCGHSA enrichment
  53. 2026-08-11 22:20 UTCEG score recompute▲ 9.40
  54. 2026-08-11 22:20 UTCGHSA enrichment
  55. 2026-08-11 22:20 UTCNVD updateCVSS v3 → 9.4 · severity → CRITICAL
  56. 2026-08-11 21:18 UTCNVD update
  57. 2026-08-11 20:30 UTCEG score recompute
  58. 2026-08-11 20:30 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-66147?
CVE-2026-66147 is a critical vulnerability published on August 11, 2026. An unauthenticated command injection vulnerability was identified in the GMS Dispatcher Service in GMS 9.5.1 and earlier versions which allows remote attacker to perform remote code execution through specially crafted requests.
When was CVE-2026-66147 disclosed?
CVE-2026-66147 was first published in the National Vulnerability Database on August 11, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66147 actively exploited?
CVE-2026-66147 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 38.4% of all scored CVEs.
What is the CVSS score of CVE-2026-66147?
CVE-2026-66147 has a CVSS v3.1 base score of 9.4 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-66147?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66147, 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-2026-66147

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