pgEdge Postgres MCP Server SQL injection in the count_rows where parameter

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-125322
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-10 18:17:33 UTC
Updated2026-11-10 18:17:33 UTC
DescriptionpgEdge Postgres MCP Server enables SQL queries against PostgreSQL databases through Model Context Protocol compatible clients. Prior to 1.1.0, the where parameter of the count_rows tool accepted subqueries against tables other than the table named in the tool call. A caller could use predicates and the returned row count as an inference oracle to extract data from any other table that the connected database role could read. The database privilege boundary remained intact, and the flaw did not grant access to tables outside that role's existing SELECT privileges. This issue is fixed in version 1.1.0.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Problem Types: CWE-89 | CWE-209 | CWE-89 CWE-89: Improper Neutralization of Special Elements used in an SQL Command | CWE-209 CWE-209: Generation of Error Message Containing Sensitive Information

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA PgEdge Pgedge-postgres-mcp affected < 1.1.0 Not specified

References

ReferenceSourceLinkTags
github.com/pgEdge/pgedge-postgres-mcp/pull/201 [email protected] github.com
github.com/pgEdge/pgedge-postgres-mcp/releases/tag/v1.1.0 [email protected] github.com
github.com/pgEdge/pgedge-postgres-mcp/commit/933f1b4cb136183eb307064c1cf... [email protected] github.com
github.com/pgEdge/pgedge-postgres-mcp/issues/200 [email protected] github.com
github.com/pgEdge/pgedge-postgres-mcp/security/advisories/GHSA-fhv3-x3jh... [email protected] github.com
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