Budibase - Authentication Bypass

Budibase = 3.31.4 contains an authentication bypass caused by unanchored regex in authorized middleware matching webhook path patterns in query strings, letting unauthenticated remote attackers access any server-side API endpoint, exploit requires crafted request with webhook pattern in URL. id:...

EUVD-2026-32588

Budibase: Basic app users can exfiltrate stored REST datasource auth by rewriting datasource base URL...

GHSA-3GP5-Q4JW-3V94 Budibase: Basic app users can exfiltrate stored REST datasource auth by rewriting datasource base URL

Summary Budibase stores external REST datasource credentials server-side and documents that database credentials are applied server-side and are not exposed in the UI. The REST datasource implementation redacts stored Basic/Bearer/OAuth2 auth secrets before returning datasource data to clients...

EUVD-2026-32589

Budibase: Webhook schema endpoint authorization bypass allows unauthenticated mutation of webhook and automation schema...

EUVD-2026-32590

Budibase: Workspace-scoped builder escalates to global admin via /api/public/v1/roles/assign...

GHSA-6XP4-CF37-PPJH Budibase: Workspace-scoped builder escalates to global admin via /api/public/v1/roles/assign

Summary /api/public/v1/roles/assign is guarded by the builderOrAdmin middleware, which passes any user who is a builder for the app id in the x-budibase-app-id header. That check admits both global builders and workspace-scoped builders builder.apps set but builder.global unset. The controller th...

EUVD-2026-32605

Budibase: Unvalidated VectorDB Host Parameter Enables SSRF...

GHSA-CV96-5348-P5P8 Budibase: Unvalidated VectorDB Host Parameter Enables SSRF

Summary The VectorDB configuration endpoint in Budibase accepts a host parameter that undergoes no validation against internal IP ranges, reserved hostnames, or URL schemes. Any authenticated user with builder-level access can supply an arbitrary host value such as 169.254.169.254 or localhost,...

EUVD-2026-32606

Budibase: Unanchored Regex in matchers.ts Allows CSRF Bypass via Query String Injection in Budibase Worker...

Budibase: Unanchored Regex in `matchers.ts` Allows CSRF Bypass via Query String Injection in Budibase Worker

Summary The buildMatcherRegex / matches functions in packages/backend-core/src/middleware/matchers.ts share the same structural root cause as the recently patched CVE-2026-31816: route patterns are compiled into unanchored regular expressions and tested against ctx.request.url, which includes the...

GHSA-WXQ7-X3QP-VCR8 Budibase: Unanchored Regex in `matchers.ts` Allows CSRF Bypass via Query String Injection in Budibase Worker

Summary The buildMatcherRegex / matches functions in packages/backend-core/src/middleware/matchers.ts share the same structural root cause as the recently patched CVE-2026-31816: route patterns are compiled into unanchored regular expressions and tested against ctx.request.url, which includes the...

EUVD-2026-32593

Budibase: SSRF via OAuth2 Config Validation — Missing fetchWithBlacklist Protection...

EUVD-2026-32594

Budibase: SSRF via User-Controlled queryId in Automation Execute Query Step...

Budibase: SSRF via User-Controlled queryId in Automation Execute Query Step

Summary The executeQuery automation step in Budibase accepts a queryId from automation step inputs and passes it directly to the query execution controller without additional validation. When combined with a REST datasource configured to target internal infrastructure, this creates a server-side...

GHSA-6964-PP88-6WP9 Budibase: SSRF via User-Controlled queryId in Automation Execute Query Step

Summary The executeQuery automation step in Budibase accepts a queryId from automation step inputs and passes it directly to the query execution controller without additional validation. When combined with a REST datasource configured to target internal infrastructure, this creates a server-side...

CVE-2026-48148

Budibase is an open-source low-code platform. Prior to 3.35.3, the VectorDB configuration endpoint in Budibase accepts a host parameter that undergoes no validation against internal IP ranges, reserved hostnames, or URL schemes. Any authenticated user with builder-level access can supply an...

CVE-2026-48128

Budibase is an open-source low-code platform. Prior to 3.39.0, the executeQuery automation step in Budibase accepts a queryId from automation step inputs and passes it directly to the query execution controller without additional validation. When combined with a REST datasource configured to targ...

CVE-2026-48147

Budibase is an open-source low-code platform. Prior to 3.35.4, the buildMatcherRegex / matches functions in packages/backend-core/src/middleware/matchers.ts route patterns are compiled into unanchored regular expressions and tested against ctx.request.url, which includes the full query string. Th...

CVE-2026-41428

Budibase is an open-source low-code platform. Prior to 3.35.4, the authenticated middleware uses unanchored regular expressions to match public no-auth endpoint patterns against ctx.request.url. Since ctx.request.url in Koa includes the query string, an attacker can access any protected endpoint ...

CVE-2026-45717

Budibase is an open-source low-code platform. Prior to 3.38.1, Budibase exposes a REST API for datasource management. The route PUT /api/datasources/:datasourceId is registered in the authorizedRoutes group with TABLE/READ permission. This is the same authorization level as the read endpoint GET...