CVE-2026-40775

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-06-15. the CNA's CVSS baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:patchstack, epss, ghsa
7.3EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 7.3Exploit: None knownExposed services: Not assessed

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

Unauthenticated Broken Access Control in Royal MCP <= 1.4.2 versions.

CVSS v3
7.3
EG Score
7.3HIGHmedium confidence
EG Risk
48
EG Risk 48/100

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
Severity73% × 45%
Exploitation0% × 40%
Automatability100% × 15%
EPSS PROB
0.3%
EPSS %ILE
20th
KEV
Not listed

Published

June 15, 2026

Last Modified

June 16, 2026

Advisory Details (1)

Auto-updated Jun 22, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-40775(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 4× in last 7d / 23× 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 243 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-40775?
CVE-2026-40775 is a high vulnerability published on June 15, 2026. Unauthenticated Broken Access Control in Royal MCP <= 1.4.2 versions.
When was CVE-2026-40775 disclosed?
CVE-2026-40775 was first published on June 15, 2026, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-40775 actively exploited?
CVE-2026-40775 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (20th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-40775?
CVE-2026-40775 has a CVSS base score of 7.3 (the CNA's own assessment, by patchstack; NVD's own analysis pending).
How do I remediate CVE-2026-40775?
No fix for CVE-2026-40775 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-2026-40775 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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