CVE-2026-66442

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2026-07-27. A secondary CVSS source baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 5.4Exploit: None knownExposed services: Not assessed

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

Subscriber Broken Access Control in YayPricing <= 3.5.6 versions.

CVSS v3
5.4
EG Score
5.4MEDIUMmedium confidence
EG Risk
24
EG Risk 24/100CISA 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
Severity54% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.3%
EPSS %ILE
19th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

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

References (1)

Vendor Advisories for CVE-2026-66442(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 / 58× 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 155 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 06:56 UTCEG score recompute
  8. 2026-09-25 06:56 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 08:07 UTCEG score recompute
  2. 2026-09-14 08:07 UTCGHSA enrichment
  3. 2026-09-13 08:28 UTCEG score recompute
  4. 2026-09-13 08:27 UTCGHSA enrichment
  5. 2026-09-12 08:49 UTCEG score recompute
  6. 2026-09-12 08:49 UTCGHSA enrichment
  7. 2026-09-11 14:53 UTCEPSS rescore
  8. 2026-09-11 09:37 UTCEPSS rescore
  9. 2026-09-11 08:04 UTCEG score recompute
  10. 2026-09-11 08:03 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 18:54 UTCEG score recompute
  19. 2026-09-06 18:54 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. 2026-09-02 14:12 UTCEPSS rescore
  28. 2026-09-01 22:59 UTCEG score recompute
  29. 2026-09-01 22:59 UTCGHSA enrichment
  30. 2026-09-01 13:54 UTCEPSS rescore
  31. 2026-09-01 04:40 UTCEPSS rescore
  32. 2026-08-30 23:31 UTCEG score recompute
  33. 2026-08-30 23:31 UTCGHSA enrichment
  34. 2026-08-30 19:17 UTCEPSS rescore
  35. 2026-08-30 01:22 UTCEPSS rescore
  36. 2026-08-29 23:53 UTCEG score recompute
  37. 2026-08-29 23:53 UTCGHSA enrichment
  38. 2026-08-28 21:42 UTCEPSS rescore
  39. 2026-08-27 09:43 UTCEG score recompute
  40. 2026-08-27 09:43 UTCGHSA enrichment
  41. 2026-08-26 14:47 UTCEPSS rescore
  42. 2026-08-26 07:19 UTCEG score recompute
  43. 2026-08-26 07:18 UTCGHSA enrichment
  44. 2026-08-25 13:49 UTCEPSS rescore
  45. 2026-08-25 07:39 UTCEG score recompute
  46. 2026-08-25 07:39 UTCGHSA enrichment
  47. 2026-08-24 08:01 UTCGHSA enrichment
  48. 2026-08-23 08:22 UTCEG score recompute
  49. 2026-08-23 08:22 UTCGHSA enrichment
  50. 2026-08-23 00:19 UTCEPSS rescore
  51. 2026-08-22 08:43 UTCEG score recompute
  52. 2026-08-22 08:43 UTCGHSA enrichment
  53. 2026-08-21 23:49 UTCEPSS rescore
  54. 2026-08-21 09:05 UTCEG score recompute
  55. 2026-08-21 09:05 UTCGHSA enrichment
  56. 2026-08-20 22:56 UTCEPSS rescore
  57. 2026-08-20 09:27 UTCEG score recompute
  58. 2026-08-20 09:27 UTCGHSA enrichment
  59. 2026-08-19 17:04 UTCEPSS rescore
  60. 2026-08-19 09:48 UTCEG score recompute
  61. 2026-08-19 09:48 UTCGHSA enrichment
  62. 2026-08-18 13:48 UTCEPSS rescore
  63. 2026-08-18 10:10 UTCEG score recompute
  64. 2026-08-18 10:10 UTCGHSA enrichment
  65. 2026-08-17 13:47 UTCEPSS rescore
  66. 2026-08-17 10:31 UTCEG score recompute
  67. 2026-08-17 10:31 UTCGHSA enrichment
  68. 2026-08-16 14:56 UTCEPSS rescore
  69. 2026-08-16 10:53 UTCEG score recompute
  70. 2026-08-16 10:53 UTCGHSA enrichment
  71. 2026-08-15 11:15 UTCEG score recompute
  72. 2026-08-15 11:15 UTCGHSA enrichment
  73. 2026-08-15 01:30 UTCEPSS rescore
  74. 2026-08-14 11:36 UTCEG score recompute
  75. 2026-08-14 11:36 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2026-66442?
CVE-2026-66442 is a medium vulnerability published on July 27, 2026. Subscriber Broken Access Control in YayPricing <= 3.5.6 versions.
When was CVE-2026-66442 disclosed?
CVE-2026-66442 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-2026-66442 actively exploited?
CVE-2026-66442 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (19th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-66442?
CVE-2026-66442 has a CVSS base score of 5.4 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-66442?
No fix for CVE-2026-66442 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-66442 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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