Budibase is an open-source low-code platform. Prior to 3.39.0, the webhook schema-building endpoint is registered under builderRoutes, but the generic authorization middleware skips authorization for all paths matching /api/webhooks/schema. As a result, an unauthenticated caller can update the body schema for a known webhook and mutate the corresponding automation trigger output schema. This vulnerability is fixed in 3.39.0.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Budibase | budibase | affected |
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History
Wed, 27 May 2026 17:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Budibase is an open-source low-code platform. Prior to 3.39.0, the webhook schema-building endpoint is registered under builderRoutes, but the generic authorization middleware skips authorization for all paths matching /api/webhooks/schema. As a result, an unauthenticated caller can update the body schema for a known webhook and mutate the corresponding automation trigger output schema. This vulnerability is fixed in 3.39.0. | |
| Title | Budibase: Webhook schema endpoint authorization bypass allows unauthenticated mutation of webhook and automation schema | |
| Weaknesses | CWE-862 | |
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| Metrics |
cvssV3_1
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-05-27T16:57:36.447Z
Reserved: 2026-05-20T23:12:43.031Z
Link: CVE-2026-48151
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Weaknesses