Server-side Request Forgery (SSRF) Affecting litellm package, versions [,1.83.9)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-PYTHON-LITELLM-19883913
- published17 Sept 2026
- disclosed16 Sept 2026
- creditbrettgus
Introduced: 16 Sep 2026
NewCVE-2026-59823 (opens in a new tab)How to fix?
Upgrade litellm to version 1.83.9 or higher.
Overview
litellm is a Library to easily interface with LLM API providers
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the user_config request parameter. An attacker can make the server initiate requests to arbitrary internal or external hosts by supplying a crafted user_config in the request body, potentially exposing endpoints that would otherwise be inaccessible.