CVE-2026-85787
An incomplete list of disallowed inputs in the SQL validation component of Amazon awslabs postgres-mcp-server
- State
- Published
- Severity
- 7.1 High
- Published
- Sep 4, 2026
- Updated
- Sep 8, 2026
- Reserved
- Sep 4, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | 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 | AMZN |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N | AMZN |
Weaknesses
- CWE-184 Incomplete list of disallowed inputs
Affected Products
| Product | Versions |
|---|---|
postgres-mcp-serverAmazon |
|
References
- https://pypi.org/project/awslabs.postgres-mcp-server/1.1.7/patchrelease-notes
- https://aws.amazon.com/security/security-bulletins/2026-101-aws/vendor-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.