v0.2.0 · live
CAPFRAME
§ serversandboxfindings.v2

server-postgres

npm:@modelcontextprotocol/server-postgres@0.6.2

Score
A98
Findings
1
Tools
1
Last scan
2026-06-05

Severity breakdown

Critical0
High0
Medium1
Low0
Info0

Worst finding

Tool `query` accepts unconstrained string input

· query

The following string parameter(s) have no `maxLength` constraint: `sql`. Unbounded strings let an attacker stuff arbitrary payloads through the tool, including indirect-injection content.

fix: Add a `maxLength` to each string property, or constrain with an `enum` or `pattern`. Most legitimate tool inputs fit under a few hundred bytes.

All 1 finding

  1. medium
    Tool `query` accepts unconstrained string input· queryunconstrained input

    The following string parameter(s) have no `maxLength` constraint: `sql`. Unbounded strings let an attacker stuff arbitrary payloads through the tool, including indirect-injection content.

    fix: Add a `maxLength` to each string property, or constrain with an `enum` or `pattern`. Most legitimate tool inputs fit under a few hundred bytes.

How this was scored

Source sandbox live tools/list captured in an ephemeral Docker container (parameter schemas included → R1/R2/R4 fire). Findings are emitted by the public capframe.findings.v1 schema. Score = 100 − (10·Critical + 4·High + 2·Medium + 1·Low), clamped to [0, 100].

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