Dialogflow Cx Nlu

• Outcome: Pass
• Latest audit: Sep 11, 2026 · 2:20 AM UTC
• Version: 1.0.0

Overview

This skill is a straightforward Dialogflow CX management helper, but users should treat its create, update, import, and delete operations as live cloud configuration changes.

Install only if you intend to let the agent work with your Dialogflow CX project. Use least-privilege Google credentials, verify every project, location, agent, intent, and entity type name before running mutating commands, and test against non-production agents first because delete and import/update actions can change or remove live bot behavior.

A.I.G

Vulnerability Patterns

• Insecure Dependencies: Introduces malicious components through unsafe dependency sources
• Skill Instruction Hijacking: Alters the agent's session goals or safety constraints when the skill loads
• Agent Memory Poisoning: Writes attacker-controlled rules into memory that affect later sessions
• Remote Payload Retrieval and Execution: Fetches external code whose behavior can change after review
• Embedded Malicious Code: Ships malicious scripts inside the skill and executes them locally

Findings (1)

T08 · Insecure Dependencies

Warning

• Location: scripts/nlu.py:16

Finding

Unpinned Third-Party Dependencies Permit Unsafe Supply-Chain Updates

Content

View full analysis

Vulnerability Details

File Location: scripts/nlu.py:16-22 and scripts/nlu.py:38-40
Vulnerability Type: T08: Insecure Dependencies
Risk Level: Medium

Vulnerable Code

python

Requires:
    - google-cloud-dialogflow-cx
    - google-auth

Install:
    pip install google-cloud-dialogflow-cx google-auth

python

except ImportError:
    print("Error: google-cloud-dialogflow-cx not installed")
    print("Run: pip install google-cloud-dialogflow-cx google-auth")
    sys.exit(1)

Technical Analysis

The installation instructions direct users to install mutable, unconstrained versions of google-cloud-dialogflow-cx, google-auth, and their transitive dependencies. The project does not provide version constraints, cryptographic hashes, or a dependency lockfile.

Although the named packages are consistent with the declared Google Cloud functionality and no typosquatting was identified, unconstrained dependency resolution makes installations non-reproducible. A future compromised or unexpectedly incompatible release could be selected without further review. Python packages may execute code during installation or whenever imported; this script imports the dependencies immediately at lines 27-33.

Exploitation therefore depends on compromise of a named package, its distribution channel, or one of its unconstrained transitive dependencies. The project itself does not contain evidence that these dependencies are currently malicious.

Attack Path

1. An attacker compromises a future release of a named dependency, one of its transitive dependencies, or the associated package-distribution account.
2. A user follows the documented or runtime installation instruction:

   bash

   pip install google-cloud-dialogflow-cx google-auth
   

3. Because no reviewed versions or hashes are enforced, pip resolves and installs the attacker-controlled release.
4. Malicious package code ...[truncated 756 chars]

Remediation

View remediation

Remediation Suggestions

1. Create a dependency manifest with exact, reviewed versions for all direct dependencies.
2. Generate a fully resolved lockfile that also pins transitive dependencies.
3. Record cryptographic hashes and require their verification during installation, for example:

   bash

   python -m pip install --require-hashes -r requirements.txt
   

4. Replace the unconstrained installation guidance in both the module documentation and error message with installation from the locked requirements file.
5. Use an isolated virtual environment rather than installing packages globally:

   bash

   python -m venv .venv
   . .venv/bin/activate
   python -m pip install --require-hashes -r requirements.txt
   

6. Review and update pinned dependencies on a controlled schedule, using vulnerability and provenance checks before accepting new versions.
7. Run the CLI with a least-privileged Google Cloud identity whose IAM permissions are limited to the required Dialogflow CX resources.

SkillSpector

Vulnerability Patterns

• Data Exfiltration: External Transmission, Env Variable Harvesting, File System Enumeration
• Tool Misuse: Tool Parameter Abuse, Chaining Abuse, Unsafe Defaults
• Prompt Injection: Instruction Override, Hidden Instructions, Exfiltration Commands
• Privilege Escalation: Excessive Permissions, Sudo/Root Execution, Credential Access
• Supply Chain: Unpinned Dependencies, External Script Fetching, Obfuscated Code

Findings (8)

Tool Parameter Abuse

High

• Category: Tool Misuse
• Confidence: 80% confidence

Finding

Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).

Content

Scanner excerpt · references/entities.md (reported line 67)May include surrounding context.

Delete Entity Type

text

DELETE /v3beta1/{name=projects/*/locations/*/agents/*/entityTypes/*}

Export Entity Types

Tool Parameter Abuse

High

• Category: Tool Misuse
• Confidence: 80% confidence

Finding

Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).

Content

Scanner excerpt · references/intents.md (reported line 52)May include surrounding context.

Delete Intent

text

DELETE /v3beta1/{name=projects/*/locations/*/agents/*/intents/*}

Export Intents

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 43)May include surrounding context.

List Intents

bash

curl -X GET \
  "https://dialogflow.googleapis.com/v3beta1/projects/${PROJECT_ID}/locations/${LOCATION}/agents/${AGENT_ID}/intents" \
  -H "Authorization: Bearer ${TOKEN}"

Missing User Warnings

Medium

• Category: Not specified by scanner
• Confidence: 92% confidence

Finding

The skill includes authenticated create operations that modify Dialogflow CX intents and entity types, but it does not clearly warn users that these commands will change live agent configuration. In an agent skill context, users may copy/paste examples assuming they are read-only or low-risk, which can lead to unintended production changes if valid credentials and target IDs are already set.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium

• Category: Not specified by scanner
• Confidence: 91% confidence

Finding

The script exposes intent deletion via delete_intent and immediately performs the irreversible API call, only printing after the deletion has already happened. In this file there is no confirmation prompt or pre-action warning that the command will permanently remove the resource.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium

• Category: Not specified by scanner
• Confidence: 91% confidence

Finding

The delete_entity_type function performs an irreversible delete operation immediately and only logs the result afterward. The code does not provide a confirmation step, pre-action warning, or other user disclosure about the destructive behavior.

Content

No source excerpt is available for this finding.

Missing User Warnings

Low

• Category: Not specified by scanner
• Confidence: 84% confidence

Finding

This markdown file documents a DELETE endpoint for entity types but does not include any warning about the destructive effect of removing an entity type. Under the markdown-specific warning criteria, descriptions of actions that can affect system configuration or data integrity should disclose that impact.

Content

No source excerpt is available for this finding.

Missing User Warnings

Low

• Category: Not specified by scanner
• Confidence: 75% confidence

Finding

The Import Entity Types section describes an operation that can modify agent configuration, but the markdown provides no warning about possible replacement, merging behavior, or broader impact on existing entity types. Users are not alerted to the potential system-integrity consequences of running the import.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.