Arbitrary Code Injection Affecting @budibase/server package, versions <3.38.1
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published19 May 2026
- disclosed18 May 2026
- creditMerlijn Witteveen
Introduced: 18 May 2026
CVE-2026-45719 (opens in a new tab)How to fix?
Upgrade @budibase/server to version 3.38.1 or higher.
Overview
@budibase/server is a Budibase Web Server
Affected versions of this package are vulnerable to Arbitrary Code Injection via the calculation parameter in the V1 Views API, which is interpolated directly into a CouchDB reduce function without validation. An attacker can execute arbitrary JavaScript code within the CouchDB JavaScript engine by submitting a crafted value for calculation in a POST request to the affected endpoint. This allows access to document data and persistence of malicious code in the database design document.
Note:
This is only exploitable if the attacker has Builder role permissions.