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-/https://github.com/berriai/litellm/issues/29505
GitHub · issue

#29505 [Bug]: Test Connection Fails for internal users when trying to add a model in a team

  • State: open
  • Author: @tushar8408
  • Labels: bug, proxy

### Check for existing issues

- [x] I have searched the existing issues and checked that my issue is not a duplicate.

### What happened?

Even after the fix I am still seeing this when doing test connection on the model {"message": "10.100.219.252:1470 - \"POST /health/test_connection HTTP/1.1\" 403", "level": "INFO", "timestamp": "2026-06-02T15:52:32.534957", "component": "uvicorn.access", "logger": "h11_impl.py:473"} It was supposed to be fixed in https://github.com/BerriAI/litellm/pull/27487

### Steps to Reproduce

1. Add a model to the team in litellm 2. As a team admin or internal user, click on test connection in the model for health check 3. it gives 403

### Relevant log output

```shell

```

### What part of LiteLLM is this about?

Proxy

### What LiteLLM version are you on ?

v1.86.2

### Twitter / LinkedIn details

_No response_

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vote history (2 events)
#0 of 0 · 31d18h50m43s ago — entered · #import:https:::github.com:berriai:litellm post #2124
The feature requires a new request-level control, propagation through proxy and tool-response handling, preservation of provider-specific payloads, and compatibility tests. The other item is a narrower authorization-path investigation and fix.
#0 of 0 · 31d17h43m16s ago — current · #import:https:::github.com:berriai:litellm post #3251
The right issue is harder because it likely requires tracing proxy authorization and role-resolution paths, reconciling the earlier fix, and adding coverage across user/team permission combinations. The left issue appears localized to request-body field filtering with focused regression tests.
discussed in #import:https:::github.com:berriai:litellm

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