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diboot CVE-2026-82817

| EUVDEUVD-2026-68717 LOW
Incorrect Privilege Assignment (CWE-266)
2026-08-31 cna@vuldb.com GHSA-j6m3-m8gc-394c
2.1
CVSS 4.0 · Vendor: vuldb

Severity by source

Vendor (vuldb) PRIMARY
2.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
5.4 MEDIUM

Network-exploitable IDOR via tenantId; low privileges required; no scope change; no availability impact indicated by the description.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (vuldb).

CVSS VectorVendor: vuldb

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

1
Analysis Generated
Aug 31, 2026 - 18:36 vuln.today

DescriptionCVE.org

A vulnerability was found in dibo-software diboot 3.8.0. Affected by this issue is some unknown functionality of the file /admin/ of the component Tenant Administrator Management API. Performing a manipulation of the argument tenantId results in improper access controls. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Improper access control in dibo-software diboot 3.8.0 allows authenticated remote attackers to bypass tenant isolation by manipulating the tenantId parameter in the Tenant Administrator Management API at /admin/. An attacker with low-privileged access to one tenant can read and modify data belonging to other tenants, breaking the multi-tenant security boundary. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation The attacker must have a valid low-privilege account (authenticated user, PR:L) on the diboot application - guest or unauthenticated access is not sufficient. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 base score of 2.1 reflects the low individual-component impact scores (VC:L/VI:L/VA:L), but this underweights the real-world business impact of cross-tenant data access in a multi-tenant SaaS platform, where tenant isolation is a foundational security guarantee. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch has been identified at time of analysis - the vendor did not respond to coordinated disclosure. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-82817 vulnerability details – vuln.today

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