CVE-2026-39478

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-15. the CNA's CVSS baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:patchstack, epss, ghsa
Trending — 3 sources updated this week
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

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

Contributor PHP Object Injection in Anti-Malware Security and Brute-Force Firewall <= 4.23.87 versions.

CVSS v3
8.8
EG Score
8.8(high)
EPSS
34.5%
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

PHP Object Injection in WordPress Anti-Malware Security and Brute-Force Firewall Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/gotmls/vulnerability/wordpress-anti-malware-security-and-brute-force-firewall-plugin-4-23-87-php-object-injection-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-39478(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 32× in last 7d / 108× 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 108 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-39478?
CVE-2026-39478 is a high vulnerability published on June 15, 2026. Contributor PHP Object Injection in Anti-Malware Security and Brute-Force Firewall <= 4.23.87 versions.
When was CVE-2026-39478 disclosed?
CVE-2026-39478 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-2026-39478 actively exploited?
CVE-2026-39478 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 34.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-39478?
CVE-2026-39478 has a CVSS v4.0 base score of 8.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-39478?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-39478, 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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