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:...

CVE-2026-54351

Budibase is an open-source low-code platform. Prior to 3.39.9, the webhook trigger endpoint in Budibase is publicly accessible and passes the full HTTP request body into automation execution parameters. A mass assignment vulnerability in externalTrigger allows an attacker to overwrite the interna...

CVE-2026-54352

Budibase is an open-source low-code platform. Prior to 3.39.9, POST /api/pwa/process-zip at packages/server/src/api/routes/static.ts:24 accepts a builder-uploaded .zip, extracts it with [email protected] into a temp directory, then for each entry listed in icons.json validates the icon path, open...

CVE-2026-54353

Budibase is an open-source low-code platform. Prior to 3.39.9, authenticated users with automation permissions can bypass Budibase's SSRF blacklist through DNS rebinding. The outbound fetch flow validates a hostname against the blacklist before the request is sent, but the actual socket connectio...

CVE-2026-50132

Budibase is an open-source low-code platform. Prior to 3.39.0, GET /api/chat-links/:instance/:token/handoff is a public endpoint no auth required that performs a permanent, state-changing operation: it binds an external chat identity Slack/Discord/MS Teams to an authenticated Budibase user accoun...

CVE-2026-50136

Budibase is an open-source low-code platform. Prior to 3.39.3, the application server exposes an unauthenticated endpoint that generates S3 PutObject presigned URLs using credentials stored in a workspace datasource. The route is protected only by the recaptcha middleware and does not require...

CVE-2026-54351

Budibase is an open-source low-code platform. Prior to 3.39.9, the webhook trigger endpoint in Budibase is publicly accessible and passes the full HTTP request body into automation execution parameters. A mass assignment vulnerability in externalTrigger allows an attacker to overwrite the interna...

CVE-2026-54351

Budibase (open-source low-code platform) is affected by CVE-2026-54351 prior to version 3.39.9. A mass assignment vulnerability in externalTrigger() allows an attacker to overwrite the internal appId by including it in the webhook POST body, causing the async automation worker to run in the victi...

CVE-2026-54351 Budibase: Mass Assignment in Webhook Trigger Allows Cross-Workspace Automation Execution via appId Override

Budibase is an open-source low-code platform. Prior to 3.39.9, the webhook trigger endpoint in Budibase is publicly accessible and passes the full HTTP request body into automation execution parameters. A mass assignment vulnerability in externalTrigger allows an attacker to overwrite the interna...

CVE-2026-54353

Budibase is an open-source low-code platform. Prior to 3.39.9, authenticated users with automation permissions can bypass Budibase's SSRF blacklist through DNS rebinding. The outbound fetch flow validates a hostname against the blacklist before the request is sent, but the actual socket connectio...

CVE-2026-54353

Budibase prior to version 3.39.9 is vulnerable to a non‑blind SSRF due to a DNS rebinding bypass in the outbound fetch validation flow. Authenticated users with automation permissions can bypass the SSRF blacklist: the hostname is validated against the blacklist, but the socket connection later p...

CVE-2026-54353 Budibase: Potential SSRF DNS rebinding bypass in outbound fetch validation

Budibase is an open-source low-code platform. Prior to 3.39.9, authenticated users with automation permissions can bypass Budibase's SSRF blacklist through DNS rebinding. The outbound fetch flow validates a hostname against the blacklist before the request is sent, but the actual socket connectio...

CVE-2026-54350

Budibase is an open-source low-code platform. Prior to 3.39.12, an unauthenticated visitor of any published Budibase app reads every document of the backing MongoDB, CouchDB, Elasticsearch, DynamoDB-PartiQL, or REST-with-JSON-body collection and, where the builder has published a PUBLIC write...

CVE-2026-50137 Budibase: POST /api/attachments/:datasourceId/url is unauthenticated and lets anonymous callers mint S3 PUT pre-signed URLs using stored datasource IAM credentials

Budibase is an open-source low-code platform. Prior to 3.39.0, an anonymous attacker who knows or can enumerate a workspace id app... and an S3-source datasource id ds... can call this endpoint with no auth and obtain a 15-minute pre-signed PUT URL minted on the victim's IAM identity. The endpoin...

CVE-2026-50136 Budibase: Unauthenticated S3 signed upload URL generation allows arbitrary writes with stored datasource credentials

Budibase is an open-source low-code platform. Prior to 3.39.3, the application server exposes an unauthenticated endpoint that generates S3 PutObject presigned URLs using credentials stored in a workspace datasource. The route is protected only by the recaptcha middleware and does not require...

CVE-2026-50136

Budibase prior to version 3.39.3 exposes an unauthenticated endpoint that generates S3 PutObject presigned URLs using credentials stored in a workspace datasource. The /api/attachments/:datasourceId/url route is protected only by recaptcha, allowing a caller with workspace and S3 datasource IDs t...

CVE-2026-50132

Budibase is an open-source low-code platform. Prior to 3.39.0, GET /api/chat-links/:instance/:token/handoff is a public endpoint no auth required that performs a permanent, state-changing operation: it binds an external chat identity Slack/Discord/MS Teams to an authenticated Budibase user accoun...

CVE-2026-50132 Budibase: Chat Identity Link Hijacking via Missing Consent & CSRF — Account Impersonation in Budibase

Budibase is an open-source low-code platform. Prior to 3.39.0, GET /api/chat-links/:instance/:token/handoff is a public endpoint no auth required that performs a permanent, state-changing operation: it binds an external chat identity Slack/Discord/MS Teams to an authenticated Budibase user accoun...

CVE-2026-50132

Summary (CVE-2026-50132) Budibase exposes a public GET endpoint GET /api/chat-links/:instance/:token/handoff that, before version 3.39.0, can silently link an attacker’s external chat identity (Slack/Discord/MS Teams) to a victim’s Budibase account without consent or CSRF protection. The flow: an...

CVE-2026-54352

Budibase is an open-source low-code platform. Prior to 3.39.9, POST /api/pwa/process-zip at packages/server/src/api/routes/static.ts:24 accepts a builder-uploaded .zip, extracts it with [email protected] into a temp directory, then for each entry listed in icons.json validates the icon path, open...