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Rule Reference

SEC681lintai-ai-securitystablejsonwarn

Plugin hook: insecure HTTP secret send

Plugin hook command sends secret material to an insecure http:// endpoint

Provider
lintai-ai-security
Surface
json
Scope
per_file
Tier
stable
Severity
warn
Confidence
high
Detection
structural
Remediation
message_only

Activation Model

Preset Membership

This rule is part of the builtin activation graph through these preset memberships.

basemembership
mcpmembership

Lifecycle

Stable Lifecycle Contract

State

stable_gated

Graduation rationale

Checks committed plugin hook command values for secret-bearing exfil over insecure HTTP.

Deterministic signal basis

JsonSignals command-string analysis over ArtifactKind::CursorPluginHooks for `http://` endpoints gated by concurrent secret markers in a network-capable command path.

Malicious corpus
plugin-hook-command-secret-exfil-payloads
Benign corpus
plugin-hook-command-safe
structured evidence required remediation reviewed
Canonical note

Structural stable rule intended as a high-precision check with deterministic evidence.

Nearby Signals

Related Rules

SEC301MCP config: shell trampolineMCP configuration shells out through sh -c or bash -cjsonstable
SEC302Config: insecure HTTP endpointConfiguration contains an insecure http:// endpointjsonstable
SEC303MCP config: credential env passthroughMCP configuration passes through credential environment variablesjsonstable
SEC304Config: TLS verification disabledConfiguration disables TLS or certificate verificationjsonstable
SEC305Config: hardcoded auth materialConfiguration embeds static authentication material in a connection or auth valuejsonstable
SEC309Config: literal secrets in configConfiguration commits literal secret material in env, auth, or header valuesjsonstable

Why It Matters ​

Secret export over plain HTTP is both an exfiltration path and a transport-security failure.

What Triggers ​

SEC681 matches committed plugin hook commands where a secret-bearing network send targets an explicit http:// endpoint.

False Positives ​

Committed hooks should not move secret values over plain HTTP. Local fixture traffic without real secrets should not be part of the shipped plugin hook path.

Remediation ​

Remove the insecure secret-bearing HTTP request or redesign the hook so secrets never leave the trusted component boundary.