CVE-2026-46551 NocoDB: Missing File Size Enforcement in Upload-by-URL Allows Denial of Service via Disk Exhaustion

NocoDB is software for building databases as spreadsheets. Prior to 2026.04.4, the uploadViaURL path in the v1/v2 attachment API did not enforce NCATTACHMENTFIELDSIZE against the remote content-length or against the response stream. An authenticated user Editor+ could direct the server to downloa...

NocoDB: Missing File Size Enforcement in Upload-by-URL Allows Denial of Service via Disk Exhaustion

Summary The uploadViaURL path in the v1/v2 attachment API did not enforce NCATTACHMENTFIELDSIZE against the remote content-length or against the response stream. An authenticated user Editor+ could direct the server to download arbitrarily large files, exhausting disk space and causing denial of...