CVE-2026-100688

Budibase server before 3.45.0 Cross-Tenant Information Disclosure

Published: Sep 26, 2026Updated: Sep 26, 2026 Sources: CVE List NVDCWE-639

6.5MEDIUM

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:NIntegrity

None

A:NAvailability

None

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Weaknesses

CWE-639

Affected Products

budibase

commercialaka budibase/budibase

serverMixed

Cloud & SaaS / saas-application

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Initial Access

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References

https://github.com/Budibase/budibase/security/advisories/GHSA-4946-qf2m-wrh5

github.com

https://www.vulncheck.com/advisories/budibase-server-before-3.45.0-cross-tenant-information-disclosure

vulncheck.com

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