Public mode

No access to your tenant or devices. Every item links to its source. What this means

CVE-2026-85620

Postgres MCP Pro 0.3.0 Restricted-Mode Bypass via FROM-Clause Function

CVSS 4.0 9.2 CRITICALCVSS 3.1 8.6 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-85620

Published

Postgres MCP Pro 0.3.0 contains a restricted-mode bypass vulnerability where function-name validation is not applied to RangeFunction nodes in FROM clauses. Attackers can execute file-reading functions like pg_read_file through FROM-clause syntax to read arbitrary files despite restricted-mode protections.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-85620

Published

postgres-mcp

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "crystaldba",
                    "product": "postgres-mcp",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:pypi/postgres-mcp",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "0.3.0"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON