CVE-2026-46553: NocoDB: Attachment Size Limit Bypass via Upload-by-URL

May 21, 2026

The upload-by-URL path did not enforce NC_ATTACHMENT_FIELD_SIZE against either the remote file’s advertised Content-Length or the decoded length of a data: URI, allowing an authenticated user to bypass the configured per-file size limit.

References

github.com/advisories/GHSA-8rwr-f68v-cvw6
github.com/nocodb/nocodb/security/advisories/GHSA-8rwr-f68v-cvw6
nvd.nist.gov/vuln/detail/CVE-2026-46553

Code Behaviors & Features

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