---
title: "CVE-2026-54752: NetBox Device Type Library - Remote Code Execution"
description: "NetBox Device Type Library contains an insecure deserialization vulnerability caused by untrusted pickle file loading in test harness, letting unauthenticated contributors execute arbitrary code during test runs, exploit requires crafted pickle files and configuration modification."
url: https://panop.io/threat-heartbeat/CVE-2026-54752/
---

# CVE-2026-54752 NetBox Device Type Library - Remote Code Execution

NetBox Device Type Library contains an insecure deserialization vulnerability caused by untrusted pickle file loading in test harness, letting unauthenticated contributors execute arbitrary code during test runs, exploit requires crafted pickle files and configuration modification.

CVSS base score 9.6 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.66% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-54752)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

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

Published

17 September 2026

Updated

15 October 2026

Weakness

[CWE-502](https://cwe.mitre.org/data/definitions/502.html)

## Vendor fix

Update to include commit 1c6f7e2b93589b965318c6e67ac3504831f0e71e or latest version.

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-2026-54752](https://nvd.nist.gov/vuln/detail/CVE-2026-54752)
- [https://github.com/netbox-community/devicetype-library/commit/1c6f7e2b93589b965318c6e67ac3504831f0e71e](https://github.com/netbox-community/devicetype-library/commit/1c6f7e2b93589b965318c6e67ac3504831f0e71e)
- [https://github.com/netbox-community/devicetype-library/pull/4238](https://github.com/netbox-community/devicetype-library/pull/4238)
- [https://github.com/netbox-community/devicetype-library/security/advisories/GHSA-492p-5wp7-2w7c](https://github.com/netbox-community/devicetype-library/security/advisories/GHSA-492p-5wp7-2w7c)

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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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