CVE-2026-100688

Budibase server before 3.45.0 contains a cross-tenant information disclosure vulnerability in the GET /api/applications/:appId/appPackage endpoint that allows authenticated users to read another tenant's application metadata and source code. Attackers can supply a victim tenant's app id to retrieve sensitive application details including navigation structure, role names, internal screen URLs, JavaScript snippets, and user identifiers without authorization checks.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/Budibase/budibase/security/advisories/GHSA-4946-qf2m-wrh5
https://www.vulncheck.com/advisories/budibase-server-before-3.45.0-cross-tenant-information-disclosure
https://github.com/Budibase/budibase/security/advisories/GHSA-4946-qf2m-wrh5

Configurations

No configuration.

History

28 Sep 2026, 17:17

Type	Values Removed	Values Added
References	~~() https://github.com/Budibase/budibase/security/advisories/GHSA-4946-qf2m-wrh5 -~~	() https://github.com/Budibase/budibase/security/advisories/GHSA-4946-qf2m-wrh5 -

26 Sep 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-26 14:16

Updated : 2026-10-08 16:16

NVD link : CVE-2026-100688

Mitre link : CVE-2026-100688

CVE.ORG link : CVE-2026-100688

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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