Server-side Request Forgery (SSRF) Affecting @budibase/backend-core package, versions <3.39.15


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.2% (11th percentile)

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  • Snyk IDSNYK-JS-BUDIBASEBACKENDCORE-17675454
  • published29 Jun 2026
  • disclosed22 Jun 2026
  • creditArtex09

Introduced: 22 Jun 2026

NewCVE-2026-54353  (opens in a new tab)
CWE-367  (opens in a new tab)
CWE-918  (opens in a new tab)

How to fix?

Upgrade @budibase/backend-core to version 3.39.15 or higher.

Overview

@budibase/backend-core is a Budibase backend core libraries used in server and worker

Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the outboundFetch process. An attacker can access internal network resources and retrieve sensitive information by exploiting DNS rebinding during outbound HTTP requests. This allows the attacker to bypass blacklist validation and connect to internal services, potentially exposing internal metadata and credentials.

References

CVSS Base Scores

version 4.0
version 3.1