CVEvulnerability

CVE-2026-31818

9.9 CRITICAL Published 2026-04-03 Modified 2026-10-06 Official page ↗
Status
Analyzed
Published
2026-04-03
Last modified
2026-10-06
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.6 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CVSS 3.1 ([email protected])
9.9 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
Weaknesses
CWE-1188, CWE-918

Description

Budibase is an open-source low-code platform. Prior to version 3.33.4, a server-side request forgery (SSRF) vulnerability exists in Budibase's REST datasource connector. The platform's SSRF protection mechanism (IP blacklist) is rendered completely ineffective because the BLACKLIST_IPS environment variable is not set by default in any of the official deployment configurations. When this variable is empty, the blacklist function unconditionally returns false, allowing all requests through without restriction. This issue has been patched in version 3.33.4.

Affected configurations

• budibase budibase (< 3.33.4)

Related

Weakness · CWE (2)

  • CWE-1188 Initialization of a Resource with an Insecure Default weakness
  • CWE-918 Server-Side Request Forgery weakness

References