CVE-2026-90566

HIGHPre-NVD 7.37.3—
EchelonGraph scoreHIGH confidence

Score 7.3 from GitHub Security Advisory published 2026-09-13. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: Elevated riskExposed: 0

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

A weakness has been identified in Rizwan17 inventory-management-system up to bfe78a330d01bb26b9daec5dc9ecd5c77900e03f. Affected by this vulnerability is the function createUserAccount of the file register.php of the component Registration Handler. Executing a manipulation of the argument usertype can lead to improper authorization. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
7.3
EG Score
7.3(high)
EG Risk
64(Attend)
EG Risk 64/100SSVC: Attend

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
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

September 13, 2026

Last Modified

September 14, 2026

Advisory Details (1)

Auto-updated Sep 13, 2026
No patch confirmed yet.
generic

Unauthenticated privilege escalation: registration allows choosing `usertype=Admin` · Issue #16 · Rizwan17/inventory-management-system · GitHub

http://github.com/Rizwan17/inventory-management-system/issues/16

Vendor Advisories for CVE-2026-90566(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 35× in last 7d / 35× 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. 2026-09-20 09:42 UTCGHSA enrichment
  2. 2026-09-19 21:42 UTCEG score recompute
  3. 2026-09-19 21:42 UTCGHSA enrichment
  4. 2026-09-19 09:43 UTCGHSA enrichment
  5. 2026-09-18 21:17 UTCEG score recompute
  6. 2026-09-18 21:16 UTCGHSA enrichment
  7. 2026-09-18 19:28 UTCEPSS rescore
  8. 2026-09-18 09:10 UTCGHSA enrichment
  9. 2026-09-17 21:11 UTCEG score recompute
  10. 2026-09-17 21:11 UTCGHSA enrichment
  11. 2026-09-17 19:32 UTCEPSS rescore
  12. 2026-09-17 09:12 UTCGHSA enrichment
  13. 2026-09-16 21:13 UTCEG score recompute
  14. 2026-09-16 21:12 UTCGHSA enrichment
  15. 2026-09-16 14:09 UTCEPSS rescore
  16. 2026-09-16 09:05 UTCEG score recompute
  17. 2026-09-16 09:05 UTCGHSA enrichment
  18. 2026-09-16 05:15 UTCEPSS rescore
  19. 2026-09-15 21:05 UTCGHSA enrichment
  20. 2026-09-15 09:06 UTCEG score recompute
  21. 2026-09-15 09:06 UTCGHSA enrichment
  22. 2026-09-15 03:12 UTCEPSS rescore
  23. 2026-09-14 21:07 UTCGHSA enrichment
  24. 2026-09-14 16:25 UTCEG score recompute
  25. 2026-09-14 16:25 UTCGHSA enrichment
Show 10 more
  1. 2026-09-14 16:23 UTCNVD updateCVSS v4 → 5.5
  2. 2026-09-14 15:35 UTCEG score recompute
  3. 2026-09-14 15:35 UTCGHSA enrichment
  4. 2026-09-14 15:34 UTCMITRE cvelistV5CVSS v4 → 6.9
  5. 2026-09-14 04:26 UTCEG score recompute
  6. 2026-09-14 04:26 UTCGHSA enrichment
  7. 2026-09-13 16:27 UTCEG score recompute
  8. 2026-09-13 16:26 UTCNVD updateCVSS v4 → 5.5
  9. 2026-09-13 15:50 UTCEG score recompute
  10. 2026-09-13 15:49 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90566?
CVE-2026-90566 is a high vulnerability published on September 13, 2026. A weakness has been identified in Rizwan17 inventory-management-system up to bfe78a330d01bb26b9daec5dc9ecd5c77900e03f. Affected by this vulnerability is the function createUserAccount of the file register.php of the component Registration Handler. Executing a manipulation of the argument usertype…
When was CVE-2026-90566 disclosed?
CVE-2026-90566 was first published in the National Vulnerability Database on September 13, 2026, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90566 actively exploited?
CVE-2026-90566 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 61.4% of all scored CVEs.
What is the CVSS score of CVE-2026-90566?
CVE-2026-90566 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-90566?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90566, 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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