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VULNERABILITIES

CVE-2026-85620 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.6 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/crystaldba/postgres-mcp [email protected]
https://github.com/crystaldba/postgres-mcp/blob/v0.3.0/src/postgres_mcp/sql/safe_sql.py [email protected]
https://github.com/crystaldba/postgres-mcp/issues/178 [email protected]
https://www.vulncheck.com/advisories/postgres-mcp-pro-0.3.0-restricted-mode-bypass-via-from-clause-function [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-863Incorrect Authorization[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-85620
NVD Published Date:
Sep 4, 2026
NVD Last Modified:
Sep 24, 2026
Source:
[email protected]
CVE-2026-85620 Details - Not Deferred