Medium severity6.5NVD Advisory· Published Sep 4, 2026

CVE-2026-85787

Description

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.

Affected products

Amazon/awslabs.postgres-mcp-serverllm-create
Range: <1.1.7
Amazon/postgres-mcp-serverllm-create
Range: <1.1.7

Patches

Vulnerability mechanics

References

aws.amazon.com/security/security-bulletins/2026-101-aws/nvd
pypi.org/project/awslabs.postgres-mcp-server/1.1.7/nvd

News mentions

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cvss	0.423
epss	0.000
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kev	0.000
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ransomware	0.000