CVE-2026-40799

MEDIUMPre-NVD 5.85.8—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.8 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 76% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: cna:patchstack, epss, ghsa
Trending — 3 sources updated this week
5.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.8Exploit: None knownExposed: 0

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

Unauthenticated Broken Authentication in Simple Cloudflare Turnstile <= 1.38.0 versions.

CVSS v3
5.8
EG Score
5.8(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: 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
Severity58% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

June 15, 2026

Last Modified

June 15, 2026

Advisory Details (1)

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

Broken Authentication in WordPress Simple Cloudflare Turnstile Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/simple-cloudflare-turnstile/vulnerability/wordpress-simple-cloudflare-turnstile-plugin-1-38-0-broken-authentication-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-40799(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 9× in last 7d / 40× 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 185 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-40799?
CVE-2026-40799 is a medium vulnerability published on June 15, 2026. Unauthenticated Broken Authentication in Simple Cloudflare Turnstile <= 1.38.0 versions.
When was CVE-2026-40799 disclosed?
CVE-2026-40799 was first published in the National Vulnerability Database on June 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-40799 actively exploited?
CVE-2026-40799 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 76.3% of all scored CVEs.
What is the CVSS score of CVE-2026-40799?
CVE-2026-40799 has a CVSS v4.0 base score of 5.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-40799?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40799, 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

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