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CVE-2026-59821lowobserved exploitationCWE-94

LiteLLM: Custom Code Guardrails production endpoints bypass code safety checks

30Vexday Risk Score

Prioritize patching. It exploitation observed by VulnCheck.

ssvc Attendcvss 2.1epss 0.4%
from disclosure to weapon
Published on NVDJul 8
VulnCheck+18d
exploitation probability
0.4%top 72% of all CVEs
observed exploitation
yesVulnCheck
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.
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Affected products
BerriAI · litellm