fern check fails with "endpoint requires auth, but no auth is defined" when only using mutualTLS type endpoint security

[taisph]

Component

CLI

Priority

P1 - High (Strongly needed)

SDK Language(s)

No response

Bug Description

1. Create an OpenAPI 3.1 spec with a path requiring a security scheme that is of type mutualTLS.

openapi: 3.1.0
info:
  title: Test API
paths:
  /v1alpha1/test:
    get:
      summary: Test
      security:
        - mtls: []
components:
  securitySchemes:
    mtls:
      type: mutualTLS

2. Run fern check on it.

Expected: success/valid/ignored.

Actual:

[sdk] 1 error
    [error]
        path: __package__.yml -> service -> endpoints -> test
        issue: Endpoint requires auth, but no auth is defined.

Versions

Fern CLI v5.50.6.

Workaround

Add any supported dummy auth even if unused in components.securitySchemes.

Are you interested in contributing a fix?

No