CVE-2026-85787 HIGH

CVE-2026-85787: An incomplete list of disallowed inputs in the SQL validation component of Amazon awslabs postgres-mcp-server

Vendor Amazon
Product postgres-mcp-server
Weakness CWE-184
Published September 4, 2026
Last update September 8, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

An incomplete list of disallowed inputs in the SQL validation component in Amazon awslabs postgres-mcp-server before version 1.1.7 might allow an unauthenticated actor to modify data beyond the read-only scope by placing crafted SQL into the content that is submitted when an authenticated user interacts with the MCP server. To remediate this issue, users should upgrade to version 1.1.7 or above.

Key dates

02Disclosure timeline

September 4, 2026 CVE published
September 8, 2026 Record updated