CVE-2026-123623

Description

Grida through 0.0.24 contains a missing authorization vulnerability in the Forms file-preview API routes that allows unauthenticated attackers to read other organizations' form response files. Attackers can use form and field IDs exposed in public form payloads with a chosen path parameter to obtain service-role signed URLs for attachments and connected Supabase bucket objects.

References

• https://github.com/gridaco/grida
• https://github.com/gridaco/grida/blob/v0.0.24/editor/app/(api)/private/editor/%5Bform_id%5D/fields/%5Bfield_id%5D/file/preview/src/route.ts#L27-L101
• https://github.com/gridaco/grida/commit/05f5a54c31a6662942a42b50e34a329ab3642fe1
• https://github.com/gridaco/grida/issues/1107
• https://github.com/gridaco/grida/pull/1108