{"id":"CVE-2026-54752","title":"NetBox Device Type Library is a collection of community-sourced device type definitions for import into NetBox","summary":"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 rea…","severity":"critical","cvss":9.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","cwe":["CWE-502","CWE-829"],"vendor":"netbox-community","product":"devicetype-library","affected":["devicetype-library < 1c6f7e2b93589b965318c6e67ac3504831f0e71e"],"published":"2026-09-17","updated":"2026-09-21","sourceUpdated":"2026-09-21T21:17:05.090","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-54752","references":[{"url":"https://github.com/netbox-community/devicetype-library/commit/1c6f7e2b93589b965318c6e67ac3504831f0e71e","label":"security-advisories@github.com"},{"url":"https://github.com/netbox-community/devicetype-library/pull/4238","label":"security-advisories@github.com"},{"url":"https://github.com/netbox-community/devicetype-library/security/advisories/GHSA-492p-5wp7-2w7c","label":"security-advisories@github.com"},{"url":"https://github.com/netbox-community/devicetype-library/security/advisories/GHSA-492p-5wp7-2w7c","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-09-21T21:10:56.822612Z"},"epss":0.00351,"epssPercentile":0.2875,"ingestedAt":"2026-09-17T20:28:02.775Z","slug":"CVE-2026-54752","body":"## Overview\n\nNetBox 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":65,"depthScoreParts":{"impact":52.8,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":208812,"id":"CVE-2026-54752","ts":1790027671336,"field":"exploit_available","old":"false","new":"true"}]}