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Vulnerabilities CVE-2026-73307

CVE-2026-73307

Medium
Open
TLP:CLEAR

Budibase: SSRF via bare fetch() in uploadUrl during AI table generation

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Description

Budibase is an open-source low-code platform. Prior to 3.39.4, uploadUrl in packages/server/src/utilities/fileUtils.ts used a bare server-side fetch for string attachment values passed by processAttachments in packages/server/src/sdk/workspace/ai/helpers/rows.ts. A builder with the AI table-generation feature could cause an attachment value to reference an internal service or cloud metadata endpoint, and the response would be stored as an attachment without fetchWithBlacklist validation. This issue is fixed in version 3.39.4.

Details

CVSS Score
4.9
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
Confidence
90%
Published
Aug 12, 2026
Last Modified
Aug 12, 2026
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