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CVE-2026-54752— NetBox Device Type Library: Insecure Pickle Deserialization in Test Suite Allows Remote Code Execution via Malicious Pull Request

Quick assessment

Affected
netbox-community devicetype-library
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NetBox Device Type Library 是一个为 NetBox 提供社区来源的设备类型定义集合。其验证测试框架可以通过 中 函数里的 对由 Pull Request（PR）控制的被跟踪 pickle 缓存文件进行反序列化。 未认证的贡献者可以修改 中的 ，并在 pytest 运行时向 或 提供经过构造的文件（由 加载）。反序列化过程会触发攻击者控制的对象还原（reduction）行为，从而允许在 GitHub Actions 运行器或运行测试的维护者进程中执行任意代码，导致可达资源的机密性、完整性和可

CVSS 9.6 · Critical

Affected Version Matrix 1

VendorProduct Version RangeStatus
netbox-community devicetype-library < 1c6f7e2b93589b965318c6e67ac3504831f0e71e affected
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I. Basic Information for CVE-2026-54752

Vulnerability Information
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Vulnerability Title
NetBox Device Type Library: Insecure Pickle Deserialization in Test Suite Allows Remote Code Execution via Malicious Pull Request
Source: CVE Program / CVE List V5
Vulnerability Description
NetBox Device Type Library is a collection of community-sourced device type definitions for import into NetBox. The validation test harness can deserialize pull-request-controlled tracked pickle cache files through pickle.load in the read_pickle_data function in tests/pickle_operations.py. An unauthenticated contributor can change USE_LOCAL_KNOWN_SLUGS in tests/test_configuration.py and supply a crafted tests/known-modules.pickle or tests/known-racks.pickle file that tests/definitions_test.py loads when pytest runs. Deserialization invokes attacker-controlled object reduction behavior, allowing arbitrary code execution in the GitHub Actions runner or in a maintainer process that runs the tests, with the confidentiality, integrity, and availability of reachable resources at risk. This vulnerability is fixed with commit 1c6f7e2b93589b965318c6e67ac3504831f0e71e.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
netbox-community devicetype-library < 1c6f7e2b93589b965318c6e67ac3504831f0e71e -

II. Public POCs for CVE-2026-54752

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III. Intelligence Information for CVE-2026-54752

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Patches & Fixes for CVE-2026-54752 (2)

Vendor Advisories for CVE-2026-54752 (1)

Same Patch Batch · netbox-community · 2026-09-17 · 3 CVEs total

CVE-2026-54916 8.8 HIGH NetBox Device Type Library: Module Shadowing Bypass of prior pickle fix - RCE via missing
CVE-2026-54918 5.3 MEDIUM NetBox Device Type Library: PR-controllable upstream clone URL (NETBOX_DT_LIBRARY_URL) ena

IV. Related Vulnerabilities

Same product: devicetype-library
Same vendor: netbox-community
Same weakness: CWE-502

V. Comments for CVE-2026-54752

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