Quick answers
- Is CVE-2026-39431 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-39431 being exploited in the wild.
- How severe is CVE-2026-39431?
- Informational severity, published 4 November 2026.
- Which products and versions are affected?
- Hp Poly EagleEye Cube USB 1.3.1-001267.
- Is there a fix for CVE-2026-39431?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-39431 attacked?
- It is attacked from the adjacent network, in a network appliance.
- Am I affected by CVE-2026-39431?
- Check whether you run Hp Poly EagleEye Cube USB at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A command injection vulnerability exists in an API function on the USB-accessible management service due to insufficient input validation in the CSR certificate generation process. An unauthenticated attacker can exploit this via USB to execute arbitrary commands as root without administrator credentials. The vulnerability provides complete device compromise including persistent backdoor installation.
Affected products
- HP Poly EagleEye Cube USB 1.3.1-001267
Timeline
- 2026-11-04: disclosed