GHSA-wch5-xp77-fxg4: Flowise: Cross-Workspace OAuth2 Credential Metadata Leak

Summary

Three OAuth2 credential endpoints in Flowise look up credentials by `id` alone, with no `workspaceId` filter. The `callback` and `refresh` endpoints are whitelisted from all authentication, which lets authenticated users reach credentials in other workspaces and lets unauthenticated attackers inject or refresh tokens for any credential. The source's own demonstrations show leaked `client_id` and `scope` values from another workspace, forged callbacks that overwrite a victim credential's stored tokens, and unauthenticated token refreshes.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Affected packages in the Exposure Registry

Matched by package name and ecosystem. Each entry shows whether the package delegates to a language model and how many tracked packages depend on it.

• flowisenpmLLM dependency since 2024-03-12

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