Auth bypass in Netbox Labs
CVE-2026-69117
NetBox 4.5.8 contains an ORM injection vulnerability that allows authenticated attackers, including those with read-only API tokens, to inject arbitrary Django ORM lookup expressions into nested object references by supplying crafted JSON dictionary keys in POST, PUT, or PATCH requests to any REST API endpoint. Attackers can exploit the unrestricted queryset used by WritableNestedSerializer to perform boolean-based blind data extraction of sensitive field values and bypass object-level permissions across all application modules including dcim, ipam, tenancy, virtualization, circuits, and extras.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.001
Affected products
- Netbox Labs — versions 0
Weakness classification (CWE)
References
- github.com/netbox-community/netbox (product)
- github.com/netbox-community/netbox/issues/21988 (issue-tracking)
- github.com/netbox-community/netbox/commit/b3489cd529ca00703a0b7fe4c45e91539add6… (patch)
- github.com/netbox-community/netbox/pull/22013 (issue-tracking)
- www.vulncheck.com/advisories/netbox-orm-injection-via-writablenestedserializer (third-party-advisory)
Frequently asked questions
- What is CVE-2026-69117?
- CVE-2026-69117 is a medium-severity vulnerability in Netbox Labs, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-08-11.
- How severe is CVE-2026-69117?
- Medium severity. CVSS v3 base score is 6.5 out of 10.