What is CVE-2026-29514?

CVE-2026-29514 is a high-severity vulnerability in Netbox-community Netbox, classified under CWE-183. CVSS score: 8.8/10. Published 2026-05-04.

How severe is CVE-2026-29514?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Netbox-community Netbox

CVE-2026-29514

NetBox versions 4.3.5 through 4.5.4 contain a remote code execution vulnerability in the RenderTemplateMixin.get_environment_params() method that allows authenticated users with exporttemplate or configtemplate permissions to execute arbit…

EPSS: 0.001 (20.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Netbox-community Netbox — versions 4.3.5

Weakness classification (CWE)

CWE-183

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (third-party-advisory)
disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (patch)

Frequently asked questions

What is CVE-2026-29514?: CVE-2026-29514 is a high-severity vulnerability in Netbox-community Netbox, classified under CWE-183. CVSS score: 8.8/10. Published 2026-05-04.
How severe is CVE-2026-29514?: High severity. CVSS v3 base score is 8.8 out of 10.