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vuln-cve/data/2026/85xxx/CVE-2026-85620.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-85620",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"state": "PUBLISHED",
"assignerShortName": "VulnCheck",
"dateReserved": "2026-09-04T11:03:33.315Z",
"datePublished": "2026-09-04T14:32:11.907Z",
"dateUpdated": "2026-09-14T19:33:09.339Z"
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"dateUpdated": "2026-09-04T14:32:11.907Z"
},
"datePublic": "2026-06-06T00:00:00.000Z",
"title": "Postgres MCP Pro 0.3.0 Restricted-Mode Bypass via FROM-Clause Function",
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
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{
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"description": "Incorrect Authorization",
"cweId": "CWE-863",
"type": "CWE"
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"product": "postgres-mcp",
"defaultStatus": "unaffected",
"packageURL": "pkg:pypi/postgres-mcp",
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"version": "0",
"status": "affected",
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"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "HIGH",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 9.2,
"baseSeverity": "CRITICAL"
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"integrityImpact": "NONE",
"availabilityImpact": "NONE",
"baseScore": 8.6,
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"references": [
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"url": "https://github.com/crystaldba/postgres-mcp/issues/178",
"tags": [
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"name": "GitHub Issue #178"
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},
{
"url": "https://github.com/crystaldba/postgres-mcp/blob/v0.3.0/src/postgres_mcp/sql/safe_sql.py",
"tags": [
"technical-description"
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},
{
"name": "VulnCheck Advisory: Postgres MCP Pro 0.3.0 Restricted-Mode Bypass via FROM-Clause Function",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/postgres-mcp-pro-0.3.0-restricted-mode-bypass-via-from-clause-function"
}
],
"credits": [
{
"lang": "en",
"value": "George Chen",
"type": "finder"
}
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"x_generator": {
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"adp": [
{
"metrics": [
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"content": {
"id": "CVE-2026-85620",
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"version": "2.0.3",
"timestamp": "2026-09-14T19:19:58.465013Z"
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"title": "CISA ADP Vulnrichment",
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}
}