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Security audit

Hubspot Crm

Security checks for vulnerabilities and agentic risk

Overview

This skill provides disclosed HubSpot CRM commands, including high-impact write and archive actions, but I found no hidden execution, deception, persistence, or unrelated data handling.

Install only if you intend this skill to let an agent operate on a live HubSpot CRM. Use a least-privilege HubSpot token, confirm all create/update/archive payloads before execution, and enable the n8n webhook workflows only after verifying their ownership, authentication, and data handling.

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs
Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (26)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
93% confidence
Finding

The description advertises broad create/modify CRM capabilities without warning that actions affect production customer records and persist immediately. In an agent-driven environment, missing safety framing increases the risk of unauthorized or accidental modification of sensitive business and personal data.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 40)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 40)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 59)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 76)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 93)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 99)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 116)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 128)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 135)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 151)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 157)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 169)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 177)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 191)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 199)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 216)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 224)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 243)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 261)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 279)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 291)May include surrounding context.

1. Rechercher un contact par téléphone

bash
curl -s "https://api.hubapi.com/crm/v3/objects/contacts/search" \
  -H "Authorization: Bearer $HUBSPOT_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
89% confidence
Finding

The skill includes note, task, and association operations that silently create persistent records and relationships in the CRM. Without a general warning and write-safety guidance, an agent could leave inaccurate notes, create misleading tasks, or alter associations that affect downstream workflows and staff actions.

Content

No source excerpt is available for this finding.

Context-Inappropriate Capability

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The skill exposes a destructive delete/archive operation for CRM contacts even though its high-level description emphasizes routine CRM management rather than high-risk destructive actions. In an agent setting, this increases the chance of unintended or prompt-induced deletion of live customer records, causing data loss and operational disruption.

Content

No source excerpt is available for this finding.

Context-Inappropriate Capability

Medium
Category
Not specified by scanner
Confidence
87% confidence
Finding

The documented n8n webhooks extend the skill beyond direct HubSpot CRM actions into external system synchronization and enrichment. That broadens the data flow boundary and can enable transmission of CRM/WhatsApp-derived personal data to third-party automation endpoints without clear trust, validation, or consent controls.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.