CVE-2026-54916 NetBox Device Type Library - Remote Code Execution

NetBox Device Type Library contains a code execution vulnerability caused by module shadowing via unauthenticated contributor adding malicious files in tests directory, letting attackers execute arbitrary code on GitHub Actions runner, exploit requires ability to submit pull requests.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.61% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
17 September 2026
Updated
15 October 2026
Weakness
CWE-427

Vendor fix

Update to the version including commit b0d9a3dadd0a0a9d3c93b0b2777559fd4bad1037 or later.

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

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