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.
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History
Thu, 28 May 2026 03:45:00 +0000
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Budibase
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Budibase
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Wed, 27 May 2026 18:30:00 +0000
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ssvc
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Wed, 27 May 2026 17:45:00 +0000
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| Description | 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. | |
| Title | Budibase: SSRF via OAuth2 token endpoint URL reaches internal hosts and cloud metadata | |
| Weaknesses | CWE-918 | |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-05-27T16:52:42.535Z
Updated: 2026-05-27T18:02:47.454Z
Reserved: 2026-05-20T23:12:43.031Z
Link: CVE-2026-48153
Updated: 2026-05-27T18:02:28.013Z
Status : Deferred
Published: 2026-05-27T18:16:27.850
Modified: 2026-05-27T19:44:35.987
Link: CVE-2026-48153
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