CVE-2026-100688CWE-639

CVE-2026-100688

Medium · published September 26, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
17.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
7.1 · 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
EPSS
0.00262 · 17.0th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-09-26T18:16Z
References (3)
https://github.com/Budibase/budibase/security/advisories/GHSA-4946-qf2m-wrh5 · [email protected]https://www.vulncheck.com/advisories/budibase-server-before-3.45.0-cross-tenant-information-disclosure · [email protected]https://github.com/Budibase/budibase/security/advisories/GHSA-4946-qf2m-wrh5 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 28 SEP 03:25Z
    EPSS moved — → 0%
    epss
  • 26 SEP 13:23Z
    Budibase server before 3.45.0 Cross-Tenant Information Disclosure
    cvelistv5