CVE-2026-40217

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

8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

16% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-26)

CWEs

CWE-420, CWE-94

Published

2026-04-10

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• litellm:litellm

Packages (OSV)

References

• https://www.x41-dsec.de/lab/advisories/x41-2026-001-litellm/
• https://access.redhat.com/errata/RHSA-2026:24866
• https://access.redhat.com/errata/RHSA-2026:30056
• https://access.redhat.com/security/cve/CVE-2026-40217
• https://bugzilla.redhat.com/show_bug.cgi?id=2457301

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