Information Disclosure in NetBox Release by NetBox Community
CVE-2026-86176

5.3MEDIUM

Key Information:

Vendor

Netbox-community

Status
Netbox
Vendor
CVE Published:
5 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-86176?

NetBox versions through 4.7.0 contain a vulnerability where authenticated users can exploit unscoped querysets in REST and GraphQL API endpoints. This flaw allows unauthorized access to private user records, specifically in Notifications, Subscriptions, and Bookmarks. As a result, an authenticated user with view permissions can disclose which items other users track or bookmark, raising significant privacy concerns for user data management.

Affected Version(s)

netbox 0 <= 4.7.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-86176 - Proof of Concept

References

https://github.com/geo-chen/oss/blob/main/netbox.md#findi...
third-party-advisoryexploit
https://github.com/netbox-community/netbox/blob/v4.7.0/ne...
technical-description
https://github.com/netbox-community/netbox/blob/v4.7.0/ne...
technical-description

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

George Chen
.