PYSEC-2026-1543

vendorUSosv

LiteLLM Has a Leakage of Langfuse API Keys

view advisory published 2026-07-07Licence: CC-BY-4.0

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2025-0330US	—	0.57% (47th)	—	2025-03-20
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…

references

External citations — patches, advisories, analysis.

https://github.com/BerriAI/litellmPACKAGE
https://github.com/advisories/GHSA-879v-fggm-vxw2ADVISORY
https://huntr.com/bounties/661b388a-44d8-4ad5-862b-4dc5b80be30aWEB
https://nvd.nist.gov/vuln/detail/CVE-2025-0330ADVISORY
https://pypi.org/project/litellmPACKAGE

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