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CVE-2026-59821

2.1 low SSVC exploitation: none Analyzed

LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.82.0-stable, LiteLLM's Custom Code Guardrails production create and update paths did not apply the same sandboxing and validation used by the test endpoint, allowing a privileged user with access to create or update guardrails to submit custom Python code that executed in the LiteLLM proxy environment and could expose secrets available to the process. This issue is fixed in version 1.82.0-stable.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 2.1 · litellmNVD modified 2026-10-25 17:10

Affected (CPE criteria) 2

  • cpe:2.3:a:litellm:litellm:*:*:*:*:*:*:*:*
  • cpe:2.3:a:litellm:litellm:1.82.0:nightly:*:*:*:*:*:*

References 3