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.
Published: 2026-09-26
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 28 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 26 Sep 2026 17:15:00 +0000

Type Values Removed Values Added
First Time appeared Budibase
Budibase server
Vendors & Products Budibase
Budibase server

Sat, 26 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
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.
Title Budibase server before 3.45.0 Cross-Tenant Information Disclosure
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-28T16:38:07.249Z

Reserved: 2026-09-26T02:37:41.037Z

Link: CVE-2026-100688

cve-icon Vulnrichment

Updated: 2026-09-28T16:37:25.412Z

cve-icon NVD

Status : Deferred

Published: 2026-09-26T14:16:53.280

Modified: 2026-09-28T17:17:45.237

Link: CVE-2026-100688

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-26T17:00:14Z

Weaknesses
  • CWE-639

    Authorization Bypass Through User-Controlled Key