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
  • CVSS 9.2 critical
  • 0.5% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-85620 at the National Vulnerability Database