CVE-2026-66474

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-07-27. A secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 4.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Unauthenticated Cross Site Request Forgery (CSRF) in Insert Headers and Footers Code – HT Script <= 1.1.8 versions.

CVSS v3
4.3
EG Score
4.3MEDIUMmedium confidence
EG Risk
19
EG Risk 19/100CISA SSVC

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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.1%
EPSS %ILE
2nd
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

July 27, 2026

Last Modified

July 27, 2026

Advisory Details (1)

Auto-updated Jul 27, 2026
Patch available.

Vendor Advisories for CVE-2026-66474(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 13× in last 7d / 56× 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 148 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-66474?
CVE-2026-66474 is a medium vulnerability published on July 27, 2026. Unauthenticated Cross Site Request Forgery (CSRF) in Insert Headers and Footers Code – HT Script <= 1.1.8 versions.
When was CVE-2026-66474 disclosed?
CVE-2026-66474 was first published on July 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66474 actively exploited?
CVE-2026-66474 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (2nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-66474?
CVE-2026-66474 has a CVSS base score of 4.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-66474?
A fix for CVE-2026-66474 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-66474 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-66474

Explore →

Is Your Infrastructure Affected by CVE-2026-66474?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.