fkie_cve-2026-125326

pgEdge RAG Server is an API server for retrieval-augmented generation over PostgreSQL content using pgvector. Prior to 2.0.0, the unauthenticated query API in internal/server/handlers.go returns err.Error() from failed LLM provider calls, preserving provider-controlled error text that can quote a partially masked submitted API key. A remote caller can cause an authentication failure and obtain part of the operator's credential for the third-party provider account through the query API error response. This issue is fixed in version 2.0.0.

GHSA-68g8-gh8f-7rhg — pgEdge RAG Server discloses part of the configured provider credential through API error messages

Affected: Go: github.com/pgEdge/pgedge-rag-server

### Impact

An unauthenticated remote caller could read part of the operator's configured LLM provider API key.

The query API relayed the text of a provider error straight to the caller. That text carried the upstream provider's own message, and providers characteristically quote a partially masked form of the credential they rejected when authentication fails — so a failing provider call published a fragment of the operator's key. A caller who can reach the endpoint can cause such a failure and read the result.

**Who is affected:** any deployment of pgEdge RAG Server at `1.0.0` or earlier, including all alpha and beta pre-releases, whose query endpoint was reachable by an untrusted party. The endpoint carries no authentication in the affected versions.

The disclosed material authenticates to a **third-party provider account** rather than to pgEdge software, which is why the severity carries Scope: Changed.

`v1.0.0:internal/server/handlers.go:121` relayed `err.Error()` to the client when pipeline execution failed. `parseError` in `v1.0.0:internal/llm/openai/client.go` produced that error by two routes, and both disclose:

```go var errResp ErrorResponse if err := json.Unmarshal(body, &errResp); err != nil { return fmt.Errorf("API error (status %d): %s", resp.StatusCode, string(body)) } return fmt.Errorf("API error (status %d): %s", resp.StatusCode, errResp.Error.Message) ```

The first branch interpolates the entire unparsed response body. The second returns the prov…

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fkie_cve-2026-125326

GHSA-68g8-gh8f-7rhg — pgEdge RAG Server discloses part of the configured provider credential through API error messages