CVE-2026-90456

CRITICALPre-NVD 9.29.2—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.2 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 83% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
9.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.2Exploit: None knownExposed: 0

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

An example environment-configuration file for a bundled inventory-management component ships with a fixed, publicly-known administrative password. A deployment that copies this example file into active configuration without running the setup routine that regenerates credentials will expose that component's administrative interface to anyone aware of the default value.

CVSS v3
9.2
EG Score
9.2(medium)
EG Risk
57(Track)
EG Risk 57/100SSVC: 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
Severity92% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
17%
KEV
Not listed

Published

September 11, 2026

Last Modified

September 18, 2026

Advisory Details (1)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-254-01.json

Vendor Advisories for CVE-2026-90456(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 57× in last 7d / 62× 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. 2026-09-19 08:29 UTCGHSA enrichment
  2. 2026-09-19 04:15 UTCGHSA enrichment
  3. 2026-09-19 00:01 UTCGHSA enrichment
  4. 2026-09-18 19:48 UTCEG score recompute
  5. 2026-09-18 19:48 UTCGHSA enrichment
  6. 2026-09-18 19:28 UTCEPSS rescore
  7. 2026-09-18 16:48 UTCGHSA enrichment
  8. 2026-09-18 12:34 UTCGHSA enrichment
  9. 2026-09-18 08:20 UTCGHSA enrichment
  10. 2026-09-18 04:05 UTCGHSA enrichment
  11. 2026-09-17 23:52 UTCGHSA enrichment
  12. 2026-09-17 19:37 UTCEG score recompute
  13. 2026-09-17 19:37 UTCGHSA enrichment
  14. 2026-09-17 19:32 UTCEPSS rescore
  15. 2026-09-17 15:20 UTCGHSA enrichment
  16. 2026-09-17 11:06 UTCGHSA enrichment
  17. 2026-09-17 06:53 UTCGHSA enrichment
  18. 2026-09-17 02:39 UTCGHSA enrichment
  19. 2026-09-16 22:21 UTCGHSA enrichment
  20. 2026-09-16 17:59 UTCEG score recompute
  21. 2026-09-16 17:59 UTCGHSA enrichment
  22. 2026-09-16 14:09 UTCEPSS rescore
  23. 2026-09-16 13:02 UTCGHSA enrichment
  24. 2026-09-16 08:49 UTCEG score recompute
  25. 2026-09-16 08:49 UTCGHSA enrichment
Show 37 more
  1. 2026-09-16 05:15 UTCEPSS rescore
  2. 2026-09-16 04:23 UTCGHSA enrichment
  3. 2026-09-15 23:55 UTCGHSA enrichment
  4. 2026-09-15 19:42 UTCGHSA enrichment
  5. 2026-09-15 15:19 UTCGHSA enrichment
  6. 2026-09-15 11:05 UTCGHSA enrichment
  7. 2026-09-15 06:52 UTCEG score recompute
  8. 2026-09-15 06:52 UTCGHSA enrichment
  9. 2026-09-15 03:12 UTCEPSS rescore
  10. 2026-09-15 02:38 UTCGHSA enrichment
  11. 2026-09-14 22:24 UTCGHSA enrichment
  12. 2026-09-14 18:09 UTCGHSA enrichment
  13. 2026-09-14 13:29 UTCEG score recompute
  14. 2026-09-14 13:29 UTCGHSA enrichment
  15. 2026-09-14 13:10 UTCEG score recompute
  16. 2026-09-14 13:10 UTCGHSA enrichment
  17. 2026-09-14 09:33 UTCGHSA enrichment
  18. 2026-09-14 05:19 UTCGHSA enrichment
  19. 2026-09-14 01:06 UTCGHSA enrichment
  20. 2026-09-13 20:53 UTCEG score recompute
  21. 2026-09-13 20:53 UTCGHSA enrichment
  22. 2026-09-13 16:48 UTCEPSS rescore
  23. 2026-09-13 16:39 UTCGHSA enrichment
  24. 2026-09-13 12:26 UTCGHSA enrichment
  25. 2026-09-13 08:12 UTCGHSA enrichment
  26. 2026-09-13 04:00 UTCGHSA enrichment
  27. 2026-09-12 23:46 UTCGHSA enrichment
  28. 2026-09-12 19:33 UTCGHSA enrichment
  29. 2026-09-12 15:19 UTCEG score recompute
  30. 2026-09-12 15:19 UTCGHSA enrichment
  31. 2026-09-12 15:02 UTCEPSS rescore
  32. 2026-09-12 11:06 UTCGHSA enrichment
  33. 2026-09-12 06:53 UTCGHSA enrichment
  34. 2026-09-12 02:39 UTCGHSA enrichment
  35. 2026-09-11 22:25 UTCEG score recompute
  36. 2026-09-11 21:59 UTCEG score recompute
  37. 2026-09-11 21:58 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-90456?
CVE-2026-90456 is a critical vulnerability published on September 11, 2026. An example environment-configuration file for a bundled inventory-management component ships with a fixed, publicly-known administrative password. A deployment that copies this example file into active configuration without running the setup routine that regenerates credentials will expose that…
When was CVE-2026-90456 disclosed?
CVE-2026-90456 was first published in the National Vulnerability Database on September 11, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90456 actively exploited?
CVE-2026-90456 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 82.8% of all scored CVEs.
What is the CVSS score of CVE-2026-90456?
CVE-2026-90456 has a CVSS v3 base score of 9.2 (NVD).
How do I remediate CVE-2026-90456?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90456, 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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