Access Control Flaw in dibo-software diboot Affects Tenant Resource Management
CVE-2026-82818

5.3MEDIUM

Key Information:

Vendor

Dibo-software

Status
Diboot
Vendor
CVE Published:
31 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-82818?

A significant access control vulnerability exists in dibo-software's diboot version 3.8.0, specifically affecting the Tenant Resource Assignment Handler found in the file /api/iam/tenant/resource. The vulnerability arises from improper validation of the tenantId argument, which could allow attackers to gain unauthorized access to sensitive areas of the application. The exploit can be executed remotely, making it a potential target for malicious actors. This issue was disclosed publicly, and despite early notification, the vendor has not responded to address the flaw.

Affected Version(s)

diboot 3.8.0

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-2026-82818 - Proof of Concept

References

https://vuldb.com/vuln/397235
vdb-entrytechnical-description
https://vuldb.com/vuln/397235/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82818
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

Stephen Lin (VulDB User)
VulDB CNA Team
.