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CVE-2026-48153

CVE-2026-48153 · Budibase: SSRF via OAuth2 token endpoint URL reaches internal hosts and cloud metadata

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Budibase is an open-source low-code platform. Prior to 3.39.0, fetchToken in the OAuth2 SDK makes a POST to a builder-supplied URL with plain node-fetch, skipping the blacklist.isBlacklisted check that every other outbound fetch path in the codebase uses. The Joi schema for the OAuth2 URL has no scheme or host restriction. This vulnerability is fixed in 3.39.0.

CVSS 8.5 · High · EPSS 0.3% · Fix available

Published
Updated

Stack: node

Affected products and versions

Original sources

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