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CVE-2026-54918— NetBox Device Type Library: PR-controllable upstream clone URL (NETBOX_DT_LIBRARY_URL) enables SSRF and test-data substitution from CI

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.

以下是该漏洞描述的中文翻译： NetBox Device Type Library 是一个社区贡献的设备类型定义集合，用于导入 NetBox。在受影响的代码仓库版本中， 中的 是一个自由格式的受控常量，未认证的 Pull Request 提交者可以在验证测试框架运行前对其进行修改。 在 pytest 收集阶段， 会将该值传递给 和 ，从而导致向攻击者选定的主机发起盲式 Git 智能 HTTP 请求，或加载攻击者可控的 验证缓存。 该盲式请求无法设置任意的元数据服务请求头或返回响应体，且此路径不会执行远程 Git 钩

CVSS 5.3 · Medium
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I. Basic Information for CVE-2026-54918

Vulnerability Information
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Vulnerability Title
NetBox Device Type Library: PR-controllable upstream clone URL (NETBOX_DT_LIBRARY_URL) enables SSRF and test-data substitution from CI
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. In the affected repository revisions, NETBOX_DT_LIBRARY_URL in tests/test_configuration.py is a free-form tracked constant that an unauthenticated pull-request author can change before the validation test harness runs. During pytest collection, tests/definitions_test.py passes the value to Repo.clone_from and create_remote("upstream").fetch(), causing blind Git smart-HTTP requests to an attacker-selected host or loading attacker-controlled tests/known-*.json validation caches. The blind request cannot set arbitrary metadata-service headers or return response bodies, and this path does not execute remote Git hooks, but substituted known data can bypass slug, module, and rack uniqueness validation. This vulnerability is fixed in commit 8980c690097e92f5028c7e6df402b327d827ecd5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
系统设置或配置在外部可控制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
netbox-community devicetype-library < 8980c690097e92f5028c7e6df402b327d827ecd5 -

II. Public POCs for CVE-2026-54918

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III. Intelligence Information for CVE-2026-54918

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Patches & Fixes for CVE-2026-54918 (2)

Vendor Advisories for CVE-2026-54918 (1)

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

CVE-2026-54752 9.6 CRITICAL NetBox Device Type Library: Insecure Pickle Deserialization in Test Suite Allows Remote Co
CVE-2026-54916 8.8 HIGH NetBox Device Type Library: Module Shadowing Bypass of prior pickle fix - RCE via missing

IV. Related Vulnerabilities

Same product: devicetype-library
Same vendor: netbox-community
Same weakness: CWE-15

V. Comments for CVE-2026-54918

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