CVE-2026-40217

State: Published
Severity: 8.8 High
Published: Apr 10, 2026
Updated: Jul 15, 2026
Reserved: Apr 10, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	mitre
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	redhat-SADP

Weaknesses

CWE-420 Unprotected Alternate Channel
CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Product	Versions
LiteLLMBerriAI	bb0639701796218a3447160e55c0f1097446e4e6085df7dfd39f476d4143743fAffected

References

https://www.x41-dsec.de/lab/advisories/x41-2026-001-litellm/
https://access.redhat.com/security/cve/CVE-2026-40217vdb-entry
RHBZ#2457301issue-tracking
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40217.json
https://access.redhat.com/errata/RHSA-2026:24866vendor-advisory
https://access.redhat.com/errata/RHSA-2026:30056vendor-advisory

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