CVE-2026-32559

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreHIGH confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-25. a secondary CVSS source baseline 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.9Exploit: None knownExposed: 0

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

Subscriber Arbitrary File Upload in UltimateAI <= 3.1.0 versions.

CVSS v3
9.9
EG Score
9.9(high)
EG Risk
45(Track)
EG Risk 45/100SSVC: 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
Severity99% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

August 24, 2026

Last Modified

August 27, 2026

Advisory Details (1)

Auto-updated Sep 17, 2026
Patch available.
generic Patch Available

Arbitrary File Upload in WordPress UltimateAI Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/ultimate_ai/vulnerability/wordpress-ultimateai-plugin-3-1-0-arbitrary-file-upload-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-32559(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 56× in last 7d / 226× 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 226 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-32559?
CVE-2026-32559 is a critical vulnerability published on August 24, 2026. Subscriber Arbitrary File Upload in UltimateAI <= 3.1.0 versions.
When was CVE-2026-32559 disclosed?
CVE-2026-32559 was first published in the National Vulnerability Database on August 24, 2026, with the most recent update on August 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-32559 actively exploited?
CVE-2026-32559 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 69.9% of all scored CVEs.
What is the CVSS score of CVE-2026-32559?
CVE-2026-32559 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-32559?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-32559, 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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