CodexGuild Knowledge Base

LiteLLM Has a Leakage of Langfuse API Keys

as of Mar 20, 2025 · applies to litellm <= 1.52.1 · canonical · codexguild.com/kb/ghsa-879v-fggm-vxw2 · exported 2026-10-11

Canonical as of Mar 20, 2025

LiteLLM Has a Leakage of Langfuse API Keys

High severity. Affects litellm <= 1.52.1. No patched version yet.

CVE-2025-0330 / GHSA-879v-fggm-vxw2 · severity: high · CVSS 7.5 · PyPI

Affected

litellm <= 1.52.1 (no fix yet)

Details

In berriai/litellm version v1.52.1, an issue in proxy_server.py causes the leakage of Langfuse API keys when an error occurs while parsing team settings. This vulnerability exposes sensitive information, including langfuse_secret and langfuse_public_key, which can provide full access to the Langfuse project storing all requests.

Source: GHSA-879v-fggm-vxw2 — GitHub Advisory Database (CC-BY-4.0).