Security Advisory

CVE-2026-31818

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-03 15:41:13

Last updated 2026-04-03 20:04:33

Assigner GitHub_M

State PUBLISHED

Description

Budibase is an open-source low-code platform. Prior to version 3.33.4, a server-side request forgery (SSRF) vulnerability exists in Budibases REST datasource connector. The platforms 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.

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