PYSEC-2026-1543 LiteLLM Has a Leakage of Langfuse API Keys

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

Exposure of Sensitive Information Through Metadata

Overview litellm is a Library to easily interface with LLM API providers Affected versions of this package are vulnerable to Exposure of Sensitive Information Through Metadata due to an issue in proxyserver.py. An attacker can obtain sensitive information, including API keys, by triggering error...