CVE-2026-85620
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.
Published:Sep 4, 2026
Last Modified:Sep 4, 2026
EPS:Sep 4, 2026
EPSS Score:
CVSS Score:8.6
Affected Products
Vendor
Product
Action
Vendor
Crystaldba
Product
Postgres-mcp
Crystaldba
Postgres-mcp
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
