---
title: "CVE-2026-90456: Inventory-Management Component - Authentication Bypass"
description: "An inventory-management component contains a broken authentication caused by a fixed, publicly-known administrative password in the example environment-configuration file, letting attackers access the administrative interface, exploit requires deployment without running setup routine."
url: https://panop.io/threat-heartbeat/CVE-2026-90456/
---

# CVE-2026-90456 Inventory-Management Component - Authentication Bypass

An inventory-management component contains a broken authentication caused by a fixed, publicly-known administrative password in the example environment-configuration file, letting attackers access the administrative interface, exploit requires deployment without running setup routine.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.27% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-90456)

## Details

Type

Authentication Bypass

Impact

Broken Authentication

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

11 September 2026

Updated

15 October 2026

Weakness

[CWE-1392](https://cwe.mitre.org/data/definitions/1392.html)

## Vendor fix

Run the setup routine to regenerate credentials or update configuration to remove default passwords.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-90456](https://nvd.nist.gov/vuln/detail/CVE-2026-90456)
- [https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf\_files/OT/white/2026/icsa-26-254-01.json](https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-254-01.json)
- [https://www.cisa.gov/news-events/ics-advisories/icsa-26-254-01](https://www.cisa.gov/news-events/ics-advisories/icsa-26-254-01)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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