CVE-2026-66704

HIGHPre-NVD 7.27.2
EchelonGraph scoreMEDIUM confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-08-13. a secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.2Exploit: None knownExposed: 0

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

Unauthenticated Server Side Request Forgery (SSRF) in Gutenverse Companion <= 2.5.1 versions.

CVSS v3
7.2
EG Score
7.2(medium)
EG Risk
47(Track)
EG Risk 47/100SSVC: 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
Severity72% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

August 13, 2026

Last Modified

August 14, 2026

Advisory Details (1)

Auto-updated Aug 13, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-66704(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 23× in last 7d / 99× 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 134 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-66704?
CVE-2026-66704 is a high vulnerability published on August 13, 2026. Unauthenticated Server Side Request Forgery (SSRF) in Gutenverse Companion <= 2.5.1 versions.
When was CVE-2026-66704 disclosed?
CVE-2026-66704 was first published in the National Vulnerability Database on August 13, 2026, with the most recent update on August 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66704 actively exploited?
CVE-2026-66704 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 91.3% of all scored CVEs.
What is the CVSS score of CVE-2026-66704?
CVE-2026-66704 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-66704?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66704, 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

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