---
title: "CVE-2026-54916: NetBox Device Type Library - Remote Code Execution"
description: "NetBox Device Type Library contains a code execution vulnerability caused by module shadowing via unauthenticated contributor adding malicious files in tests directory, letting attackers execute arbitrary code on GitHub Actions runner, exploit requires ability to submit pull requests."
url: https://panop.io/threat-heartbeat/CVE-2026-54916/
---

# CVE-2026-54916 NetBox Device Type Library - Remote Code Execution

NetBox Device Type Library contains a code execution vulnerability caused by module shadowing via unauthenticated contributor adding malicious files in tests directory, letting attackers execute arbitrary code on GitHub Actions runner, exploit requires ability to submit pull requests.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.61% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-54916)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

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

Published

17 September 2026

Updated

15 October 2026

Weakness

[CWE-427](https://cwe.mitre.org/data/definitions/427.html)

## Vendor fix

Update to the version including commit b0d9a3dadd0a0a9d3c93b0b2777559fd4bad1037 or later.

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-2026-54916](https://nvd.nist.gov/vuln/detail/CVE-2026-54916)
- [https://github.com/netbox-community/devicetype-library/commit/b0d9a3dadd0a0a9d3c93b0b2777559fd4bad1037](https://github.com/netbox-community/devicetype-library/commit/b0d9a3dadd0a0a9d3c93b0b2777559fd4bad1037)
- [https://github.com/netbox-community/devicetype-library/pull/4239](https://github.com/netbox-community/devicetype-library/pull/4239)
- [https://github.com/netbox-community/devicetype-library/security/advisories/GHSA-wwg5-825x-83g6](https://github.com/netbox-community/devicetype-library/security/advisories/GHSA-wwg5-825x-83g6)

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## 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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