CVE-2026-85620: Incorrect Authorization in crystaldba postgres-mcp
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.
CVE-2026-85620: Incorrect Authorization in crystaldba postgres-mcp
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.
CVSS v4.0
Score 9.2critical
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-04T11:03:33.315Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a9adb41acd9273b49bef506
Added to database: 09/04/2026, 14:52:49 UTC
Last updated: 09/04/2026, 23:28:30 UTC
Views: 12
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