---
id: CVE-2025-0330
aliases:
  - GHSA-879v-fggm-vxw2
  - PYSEC-2026-1543
title: LiteLLM Has a Leakage of Langfuse API Keys
summary: LiteLLM Has a Leakage of Langfuse API Keys
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
vendor: litellm
product: litellm
ecosystem: pip
affected:
  - litellm <= 1.52.1
published: '2025-03-20'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T03:50:23.214350081Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-879v-fggm-vxw2'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2025-0330'
  - url: 'https://github.com/BerriAI/litellm'
  - url: 'https://huntr.com/bounties/661b388a-44d8-4ad5-862b-4dc5b80be30a'
tags:
  - osv
  - pip
epss: 0.00555
epssPercentile: 0.43879
ingestedAt: '2026-07-08T18:25:47.320Z'
---

## Overview

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.

## Affected packages

- `litellm <= 1.52.1`

## Remediation

Refer to the advisory for the patched release.