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n8n-nodes-gwezz-changdunovel/node_modules/@n8n/eslint-plugin-community-nodes/docs/rules/no-credential-reuse.md
2025-10-26 23:10:15 +08:00

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# Prevent credential re-use security issues by ensuring nodes only reference credentials from the same package (`@n8n/community-nodes/no-credential-reuse`)
💼 This rule is enabled in the following configs: ✅ `recommended`, ☑️ `recommendedWithoutN8nCloudSupport`.
💡 This rule is manually fixable by [editor suggestions](https://eslint.org/docs/latest/use/core-concepts#rule-suggestions).
<!-- end auto-generated rule header -->
## Rule Details
Ensures your nodes only reference credentials by their `name` property that match credential classes declared in your package's `package.json` file. This prevents security issues where nodes could access credentials from other packages.
## Examples
### ❌ Incorrect
```typescript
// MyApiCredential.credentials.ts
export class MyApiCredential implements ICredentialType {
name = 'myApiCredential';
displayName = 'My API';
// ...
}
// package.json: "n8n": { "credentials": ["dist/credentials/MyApiCredential.credentials.js"] }
export class MyNode implements INodeType {
description: INodeTypeDescription = {
displayName: 'My Node',
name: 'myNode',
credentials: [
{
name: 'someOtherCredential', // No credential class with this name in package
required: true,
},
],
// ...
};
}
```
### ✅ Correct
```typescript
// MyApiCredential.credentials.ts
export class MyApiCredential implements ICredentialType {
name = 'myApiCredential'; // This name must match what's used in nodes
displayName = 'My API';
// ...
}
// package.json: "n8n": { "credentials": ["dist/credentials/MyApiCredential.credentials.js"] }
export class MyNode implements INodeType {
description: INodeTypeDescription = {
displayName: 'My Node',
name: 'myNode',
credentials: [
{
name: 'myApiCredential', // Matches credential class name property
required: true,
},
],
// ...
};
}
```
## Setup
Declare your credential files in `package.json` and ensure the credential name in nodes matches the `name` property in your credential classes:
```json
{
"name": "n8n-nodes-my-service",
"n8n": {
"credentials": [
"dist/credentials/MyApiCredential.credentials.js"
]
}
}
```