CVE-2026-47388: NocoDB: Missing Ownership Check in MCP Attachment Read

June 5, 2026

A low-privilege MCP token holder with knowledge of an attachment path could read any file in shared storage, including attachments belonging to other bases and workspaces, because the MCP readAttachment tool did not verify the file’s ownership.

References

github.com/advisories/GHSA-xxpj-q764-9r6q
github.com/nocodb/nocodb/releases/tag/2026.05.1
github.com/nocodb/nocodb/security/advisories/GHSA-xxpj-q764-9r6q
nvd.nist.gov/vuln/detail/CVE-2026-47388

Code Behaviors & Features

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