{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "b0d9a3dadd0a0a9d3c93b0b2777559fd4bad1037"
            }
          ],
          "repo": "https://github.com/netbox-community/devicetype-library",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-wwg5-825x-83g6"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-427",
      "CWE-829"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54916.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "fixed": "b0d9a3dadd0a0a9d3c93b0b2777559fd4bad1037g"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "NetBox Device Type Library is a collection of community-sourced device type definitions for import into NetBox. The absence of tests/init.py and the lack of --import-mode=importlib cause pytest prepend import mode to place the tests directory at the front of sys.path during collection. An unauthenticated contributor can add a module such as tests/git.py that shadows GitPython when tests/definitions_test.py executes from git import Git, Repo, or add tests/conftest.py for automatic collection-time execution. Python imports and runs the pull-request module before any test function, allowing arbitrary code execution on the GitHub Actions runner, test-result tampering, and access to tokens or network resources exposed to the workflow. This module-shadowing path is independent of the earlier pickle deserialization flaw and the separately tracked NETBOX_DT_LIBRARY_URL issue. This vulnerability is fixed by commit b0d9a3dadd0a0a9d3c93b0b2777559fd4bad1037.",
  "id": "CVE-2026-54916",
  "modified": "2026-09-20T11:30:20.019297400Z",
  "published": "2026-09-17T20:01:14.294Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54916.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/netbox-community/devicetype-library/security/advisories/GHSA-wwg5-825x-83g6"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-54916"
    },
    {
      "type": "FIX",
      "url": "https://github.com/netbox-community/devicetype-library/commit/b0d9a3dadd0a0a9d3c93b0b2777559fd4bad1037"
    },
    {
      "type": "FIX",
      "url": "https://github.com/netbox-community/devicetype-library/pull/4239"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "NetBox Device Type Library: Module Shadowing Bypass of prior pickle fix - RCE via missing `tests/__init__.py` + SSRF via unfixed `NETBOX_DT_LIBRARY_URL` → Cloud Metadata credential theft"
}