CVE-2026-85787

EUVD-2026-71748
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://aws.amazon.com/security/security-bulletins/2026-101-aws/
https://pypi.org/project/awslabs.postgres-mcp-server/1.1.7/