CVE-2026-47388 PUBLISHED

NocoDB: Missing Ownership Check in MCP Attachment Read

Assigner: GitHub_M
Reserved: 19.05.2026 Published: 23.06.2026 Updated: 24.06.2026

NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, 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. This vulnerability is fixed in 2026.05.1.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 2.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	High	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	nocodb
Product	nocodb
Versions	Version < 2026.05.1 is affected

References

https://github.com/nocodb/nocodb/security/advisories/GHSA-xxpj-q764-9r6q

Problem Types

CWE-639: Authorization Bypass Through User-Controlled Key CWE