LiteLLM < 1.25.0 - Remote Code Execution

LiteLLM before 1.25.0 allows authenticated users with the master API key to execute arbitrary Python code through the /guardrails/testcustomcode endpoint intended for custom guardrail testing. The endpoint’s insufficient filtering mechanisms can be bypassed, allowing attackers to abuse Python’s...

CVE-2026-40217-PoC

CVE-2026-40217 — LiteLLM Guardrail Sandbox Escape LiteLLM POST /guardrails/testcustomcode — Sandbox Escape leading to Remote Code Execution RCE as root in default Docker deployment. Field| Value ---|--- CVE| CVE-2026-40217 CVSS| 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CWE| CWE-913...

CVE-2026-40217

LiteLLM through 2026-04-08 allows remote attackers to execute arbitrary code via bytecode rewriting at the /guardrails/testcustomcode URI...