CVE-2026-40776

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-15. the CNA's CVSS baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:patchstack, epss, ghsa
Elevated
7.5EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 7.5Exploit: Elevated riskExposed 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 WP Event SOlution <= 4.1.8 versions.

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
65
EG Risk 65/100

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
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
EPSS PROB
0.4%
EPSS %ILE
31st
KEV
Not listed

Published

June 15, 2026

Last Modified

June 16, 2026

Advisory Details (1)

Auto-updated Jun 21, 2026
No patch confirmed yet.
generic

Broken Access Control in WordPress WP Event SOlution Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/wp-event-solution/vulnerability/wordpress-eventin-plugin-4-1-8-broken-access-control-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-40776(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 241 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 03:38 UTCEG score recompute
  15. 2026-09-14 03:38 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 22:28 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 23:32 UTCGHSA enrichment
  19. 2026-08-21 10:12 UTCEG score recompute
  20. 2026-08-21 10:12 UTCGHSA enrichment
  21. 2026-08-20 22:55 UTCEPSS rescore
  22. 2026-08-20 21:25 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 14:28 UTCEG score recompute
  30. 2026-08-17 14:28 UTCGHSA enrichment
  31. 2026-08-17 13:47 UTCEPSS rescore
  32. 2026-08-17 01:34 UTCEG score recompute
  33. 2026-08-17 01:34 UTCGHSA enrichment
  34. 2026-08-16 14:56 UTCEPSS rescore
  35. 2026-08-16 12:46 UTCEG score recompute
  36. 2026-08-16 12:46 UTCGHSA enrichment
  37. 2026-08-16 02:14 UTCEPSS rescore
  38. 2026-08-15 23:59 UTCGHSA enrichment
  39. 2026-08-15 11:12 UTCEG score recompute
  40. 2026-08-15 11:12 UTCGHSA enrichment
  41. 2026-08-15 01:30 UTCEPSS rescore
  42. 2026-08-14 22:25 UTCGHSA enrichment
  43. 2026-08-14 09:39 UTCEG score recompute
  44. 2026-08-14 09:39 UTCGHSA enrichment
  45. 2026-08-13 22:00 UTCEPSS rescore
  46. 2026-08-13 20:52 UTCGHSA enrichment
  47. 2026-08-13 06:37 UTCGHSA enrichment
  48. 2026-08-12 17:50 UTCEG score recompute
  49. 2026-08-12 17:50 UTCGHSA enrichment
  50. 2026-08-12 13:51 UTCEPSS rescore
  51. 2026-08-12 05:03 UTCGHSA enrichment
  52. 2026-08-11 16:13 UTCEG score recompute
  53. 2026-08-11 16:13 UTCGHSA enrichment
  54. 2026-08-11 13:43 UTCEPSS rescore
  55. 2026-08-11 03:25 UTCEG score recompute
  56. 2026-08-11 03:25 UTCGHSA enrichment
  57. 2026-08-11 00:00 UTCEPSS rescore
  58. 2026-08-10 14:39 UTCGHSA enrichment
  59. 2026-08-10 01:49 UTCEG score recompute
  60. 2026-08-10 01:49 UTCGHSA enrichment
  61. 2026-08-09 13:46 UTCEPSS rescore
  62. 2026-08-09 13:02 UTCGHSA enrichment
  63. 2026-08-09 00:16 UTCEG score recompute
  64. 2026-08-09 00:16 UTCGHSA enrichment
  65. 2026-08-08 16:37 UTCEPSS rescore
  66. 2026-08-08 11:29 UTCGHSA enrichment
  67. 2026-08-07 22:43 UTCEG score recompute
  68. 2026-08-07 22:43 UTCGHSA enrichment
  69. 2026-08-07 09:56 UTCGHSA enrichment
  70. 2026-08-06 21:10 UTCEG score recompute
  71. 2026-08-06 21:10 UTCGHSA enrichment
  72. 2026-08-06 13:46 UTCEPSS rescore
  73. 2026-08-06 08:23 UTCGHSA enrichment
  74. 2026-08-05 19:36 UTCEG score recompute
  75. 2026-08-05 19:36 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoClorenzofradeani/CVE-2026-40776
    First seen May 6, 2026

    CVE-2026-40776 — Broken Access Control + IDOR in WordPress Eventin (wp-event-solution) <= 4.1.8

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-40776?
CVE-2026-40776 is a high vulnerability published on June 15, 2026. Unauthenticated Broken Access Control in WP Event SOlution <= 4.1.8 versions.
When was CVE-2026-40776 disclosed?
CVE-2026-40776 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-2026-40776 actively exploited?
CVE-2026-40776 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (31st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-40776?
CVE-2026-40776 has a CVSS base score of 7.5 (the CNA's own assessment, by patchstack; NVD's own analysis pending).
How do I remediate CVE-2026-40776?
No fix for CVE-2026-40776 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-2026-40776 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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