CVE-2026-40217highobserved exploitationCWE-420CWE-94

CVE-2026-40217: high-severity vulnerability in BerriAI LiteLLM

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83Vexday Risk Score

Patch now. It exploitation observed by VulnCheck and has a working public exploit.

ssvc Actcvss 8.8epss 17%
from disclosure to weapon39 days
Published on NVDApr 10
1st PoC+39d
VulnCheck+111d
LiteLLM through 2026-04-08 allows remote attackers to execute arbitrary code via bytecode rewriting at the /guardrails/test_custom_code URI.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
BerriAI · LiteLLM
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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