# CVE-2026-85787: An incomplete list of disallowed inputs in the SQL validation component of Amazon awslabs postgres-mcp-server

> CVE-2026-85787: An incomplete list of disallowed inputs in the SQL validation component of Amazon awslabs postgres-mcp-server. CVSS 6.5 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-85787
Last updated: 2026-09-08T16:18:19Z

- Published: 2026-09-04 20:03 UTC · Updated: 2026-09-08 16:18 UTC · Assigner: AMZN
- CVSS: 6.5 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- EPSS: 0.34%, 27th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-184

## 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 vendors and products

- Amazon: postgres-mcp-server

## Tracked companies

- [Amazon Web Services](https://rewindex.com/company/aws.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-85787)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-85787)
- [https://aws.amazon.com/security/security-bulletins/2026-101-aws/](https://aws.amazon.com/security/security-bulletins/2026-101-aws/)
- [https://pypi.org/project/awslabs.postgres-mcp-server/1.1.7/](https://pypi.org/project/awslabs.postgres-mcp-server/1.1.7/)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-85787 · Markdown: https://rewindex.com/cve/CVE-2026-85787.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-85787 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:12:45.175Z