Information disclosure in Litellm
CVE-2025-11203
LiteLLM Information health API_KEY Information Disclosure Vulnerability. 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. Was ZDI-CAN-26585.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (25.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.003 · change: -0.001
Affected products
- Litellm — versions 10.2.2025
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.zerodayinitiative.com/advisories/ZDI-25-929/ (x_research-advisory)
- docs.litellm.ai/release_notes/v1.63.14-stable (vendor-advisory)
Frequently asked questions
- What is CVE-2025-11203?
- CVE-2025-11203 is a low-severity vulnerability in Litellm, classified under Information Disclosure. CVSS score: 3.5/10. Published 2025-10-29.
- How severe is CVE-2025-11203?
- Low severity. CVSS v3 base score is 3.5 out of 10.
- Is CVE-2025-11203 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.