CVE-2026-54356 — Budibase authenticated arbitrary S3 signed upload URL issuance via `/api/attachments/:datasourceId/url`
Budibase is an open-source low-code platform. Prior to 3.41.3, POST /api/attachments/:datasourceId/url in packages/server/src/api/routes/static.ts and packages/server/src/api/co…
Published: 2026-08-17 · CVSS: 7.1 · CVSS 3.1
Budibase is an open-source low-code platform. Prior to 3.41.3, POST /api/attachments/:datasourceId/url in packages/server/src/api/routes/static.ts and packages/server/src/api/controllers/static/index.ts allows an authenticated published-app user with the BASIC role to supply attacker-controlled bucket and key values and obtain signedUrl and publicUrl values backed by stored S3 datasource credentials. This issue is fixed in version 3.41.3.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7