Command Injection Affecting awslabs.postgres-mcp-server package, versions [,1.1.7)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published24 Oct 2026
- disclosed10 Sept 2026
- creditUnknown
Introduced: 10 Sep 2026
CVE-2026-87911 (opens in a new tab)How to fix?
Upgrade awslabs.postgres-mcp-server to version 1.1.7 or higher.
Overview
awslabs.postgres-mcp-server is an An AWS Labs Model Context Protocol (MCP) server for postgres
Affected versions of this package are vulnerable to Command Injection via the SQL validation process. An attacker can execute arbitrary operating system commands by submitting a specially crafted COPY ... TO PROGRAM statement that is processed when an authenticated user interacts with the server in its default read-only mode.