NetBox Labs up to 4.5.8 WritableNestedSerializer injection

Summaryinfo

A vulnerability was found in NetBox Labs NetBox up to 4.5.8. It has been classified as problematic. This vulnerability affects unknown code of the component WritableNestedSerializer. This manipulation causes injection. This vulnerability is registered as CVE-2026-69117. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in NetBox Labs NetBox up to 4.5.8 and classified as problematic. Affected by this vulnerability is an unknown code block of the component WritableNestedSerializer. The manipulation with an unknown input leads to a injection vulnerability. The CWE definition for the vulnerability is CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. As an impact it is known to affect confidentiality. The summary by CVE is:

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.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-69117 since 08/03/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/11/2026). The attack technique deployed by this issue is T1055 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• NetBox Labs

Name

• NetBox

Version

• 4.5.0
• 4.5.1
• 4.5.2
• 4.5.3
• 4.5.4
• 4.5.5
• 4.5.6
• 4.5.7
• 4.5.8

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CPE 2.2info

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