Advisory Details

October 3rd, 2025

LiteLLM Information health API_KEY Information Disclosure Vulnerability

CVE ID	CVE-2025-11203
CVSS SCORE	3.5, AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
AFFECTED VENDORS	LiteLLM
AFFECTED PRODUCTS	LiteLLM
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information on affected installations of LiteLLM. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of the API_KEY parameter provided to the health endpoint. The issue results from exposing sensitive information to an unauthorized actor. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise.
ADDITIONAL DETAILS	LiteLLM has issued an update to correct this vulnerability. More details can be found at: https://docs.litellm.ai/release_notes/v1.63.14-stable
DISCLOSURE TIMELINE	2025-03-25 - Vulnerability reported to vendor 2025-10-03 - Coordinated public release of advisory 2025-10-03 - Advisory Updated
CREDIT	David Fiser and Alfredo Oliveira of Trend Micro Security Research

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