CVE-2026-39478

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM 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
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 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(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
36%
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 10× in last 7d / 92× 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 215 total refreshes for this CVE.

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

Related CVEs(same CWE)

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 0% probability of exploitation in the next 30 days, which ranks it in the top 64.5% of all scored CVEs.
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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