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
Trending — 3 sources updated this weekElevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: Elevated riskExposed: 0

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

Unauthenticated Broken Access Control in WP Event SOlution <= 4.1.8 versions.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
65(Track)
EG Risk 65/100SSVC: 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
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
34%
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 23× in last 7d / 76× 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 132 total refreshes for this CVE.

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

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 in the National Vulnerability Database 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% probability of exploitation in the next 30 days, which ranks it in the top 65.9% of all scored CVEs.
What is the CVSS score of CVE-2026-40776?
CVE-2026-40776 has a CVSS v4.0 base score of 7.5 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-40776?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40776, 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

Explore the affected products and dependency analysis for CVE-2026-40776

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