# CVE-2026-39430: CVE-2026-39430

Status: published. Published: 2026-11-04. Updated: 2026-11-06.

On HP Poly EagleEye Cube USB 1.3.1-001267 devices, the administrator authentication flow is broken: session management and access controls are not enforced device-side. Thus, an unauthenticated user can change administrator-level settings (without logging in) via a modified client that bypasses the login step or via a custom client to make the underlying administrator API calls. This allows unauthenticated users to perform administrative actions too such as exporting configuration files that include the internal device credentials for the administrator user and other network systems.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- n/a / n/a: Version not specified (affected). Source: CNA: mitre

## Severity and prioritization

- CVSS 3.1: 9.8 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; source: ADP: CISA-ADP

- CISA KEV: No listing in collected sources

- EPSS: 0.21% as of 2026-11-06; percentile 10.83%

- SSVC: exploitation none; automatable yes; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-287

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://support.hp.com/rs-en/product/product-specs/g7500-kit-series/model/2102186752 (CNA: mitre)

- https://docs.poly.com/bundle/eagleeye-cube-usb-ug-1-3-0/page/t2821658.html (CNA: mitre)

- https://github.com/thackeraaron/polycom_research/blob/main/CVE-2026-39430_and_CVE-2026-39431.md (CNA: mitre)

- https://docs.poly.com/bundle/eagleeye-cube-usb-ug-1-3-0/page/t2821658.html (cve@mitre.org)

- https://github.com/thackeraaron/polycom_research/blob/main/CVE-2026-39430_and_CVE-2026-39431.md (cve@mitre.org)

- https://support.hp.com/rs-en/product/product-specs/g7500-kit-series/model/2102186752 (cve@mitre.org)

## Provenance

- CNA: mitre: https://www.cve.org/CVERecord?id=CVE-2026-39430; retrieved 2026-11-06; source updated 2026-11-06

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-39430; retrieved 2026-11-04; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-39430; retrieved 2026-11-06; source updated Not reported

Revision: d727c62367b75f5174e1fb17e219487a5e867a99c7667ef12a12c8d9d29b3cce

Canonical: https://y2.dev/cve/CVE-2026-39430

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