CVE-2026-100688
Budibase server before 3.45.0 Cross-Tenant Information Disclosure
- State
- Published
- Severity
- 7.1 High
- Published
- Sep 26, 2026
- Updated
- Oct 8, 2026
- Reserved
- Sep 26, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | 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 | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
serverbudibase |
|
References
- GitHub Security Advisory (GHSA-4946-qf2m-wrh5)vendor-advisory
- VulnCheck Advisory: Budibase server before 3.45.0 Cross-Tenant Information Disclosurethird-party-advisory
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