CVE-2026-85787

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

Published Sep 4, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title An incomplete list of disallowed inputs in the SQL validation component of Amazon awslabs postgres-mcp-server
First Time appeared Amazon
Amazon postgres-mcp-server
Weaknesses CWE-184
CPEs cpe:2.3:a:amazon:postgres-mcp-server:*:*:*:*:*:*:*:*
Vendors & Products Amazon
Amazon postgres-mcp-server
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 7.1, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMZN
Published
Updated
Sep 8, 2026, 3:53 PM
Reserved
Sep 4, 2026, 5:19 PM
Status
Awaiting Analysis
Published
Sep 4, 2026, 9:17 PM
Modified
Sep 8, 2026, 4:18 PM