CVE-2026-85787

CVE-2026-85787

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.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-85787?
CVE-2026-85787 is a medium-severity vulnerability, classified under Incomplete List of Disallowed Inputs. CVSS score: 6.5/10. Published 2026-09-04.
How severe is CVE-2026-85787?
Medium severity. CVSS v3 base score is 6.5 out of 10.