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 — 4 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
29%
KEV
Not listed

Published

August 24, 2026

Last Modified

August 27, 2026

Advisory Details (1)

Auto-updated Aug 27, 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 47× in last 7d / 47× 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.

  1. 2026-08-29 19:37 UTCGHSA enrichment
  2. 2026-08-29 15:48 UTCGHSA enrichment
  3. 2026-08-29 11:57 UTCGHSA enrichment
  4. 2026-08-29 08:05 UTCGHSA enrichment
  5. 2026-08-29 04:14 UTCGHSA enrichment
  6. 2026-08-29 00:20 UTCEG score recompute
  7. 2026-08-29 00:20 UTCGHSA enrichment
  8. 2026-08-28 21:41 UTCEPSS rescore
  9. 2026-08-28 16:24 UTCGHSA enrichment
  10. 2026-08-28 12:27 UTCGHSA enrichment
  11. 2026-08-28 08:37 UTCGHSA enrichment
  12. 2026-08-28 04:48 UTCGHSA enrichment
  13. 2026-08-28 00:58 UTCGHSA enrichment
  14. 2026-08-27 21:09 UTCGHSA enrichment
  15. 2026-08-27 17:21 UTCEG score recompute
  16. 2026-08-27 17:21 UTCGHSA enrichment
  17. 2026-08-27 16:02 UTCEG score recompute
  18. 2026-08-27 16:02 UTCGHSA enrichment
  19. 2026-08-27 14:25 UTCEPSS rescore
  20. 2026-08-27 12:11 UTCGHSA enrichment
  21. 2026-08-27 08:22 UTCGHSA enrichment
  22. 2026-08-27 04:30 UTCGHSA enrichment
  23. 2026-08-27 00:36 UTCGHSA enrichment
  24. 2026-08-26 20:45 UTCGHSA enrichment
  25. 2026-08-26 16:44 UTCGHSA enrichment
Show 22 more
  1. 2026-08-26 14:59 UTCEG score recompute
  2. 2026-08-26 14:59 UTCGHSA enrichment
  3. 2026-08-26 14:46 UTCEPSS rescore
  4. 2026-08-26 11:10 UTCGHSA enrichment
  5. 2026-08-26 07:18 UTCGHSA enrichment
  6. 2026-08-26 03:29 UTCGHSA enrichment
  7. 2026-08-25 23:40 UTCGHSA enrichment
  8. 2026-08-25 19:51 UTCGHSA enrichment
  9. 2026-08-25 16:02 UTCEG score recompute
  10. 2026-08-25 16:02 UTCGHSA enrichment
  11. 2026-08-25 13:49 UTCEPSS rescore
  12. 2026-08-25 12:13 UTCGHSA enrichment
  13. 2026-08-25 08:24 UTCEG score recompute
  14. 2026-08-25 08:24 UTCGHSA enrichment
  15. 2026-08-25 07:18 UTCEG score recompute
  16. 2026-08-25 07:18 UTCGHSA enrichment
  17. 2026-08-25 06:04 UTCGHSA enrichment
  18. 2026-08-25 02:15 UTCEG score recompute
  19. 2026-08-25 02:15 UTCGHSA enrichment
  20. 2026-08-24 22:26 UTCEG score recompute
  21. 2026-08-24 21:48 UTCEG score recompute
  22. 2026-08-24 21:47 UTCMITRE cvelistV5first tracked

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 71.0% 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

Explore the affected products and dependency analysis for CVE-2026-32559

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