CVE-2026-54356 - Budibase authenticated arbitrary S3 signed upload URL issuance via `/api/attachments/:datasourceId/url`
Brief
CVE ID : CVE-2026-54356
Published : Aug. 17, 2026, 8:32 p. m.
- 35 minutes ago
Description : Budibase is an open-source low-code platform. Prior to 3.
- 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.
- 3.
Severity: 0.0
- NA
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