Description
LiteLLM through 2026-04-08 allows remote attackers to execute arbitrary code via bytecode rewriting at the /guardrails/test_custom_code URI.
Published: 2026-04-10
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: Remote Code Execution
Action: Immediate Patch
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-wxxx-gvqv-xp7p LiteLLM has a sandbox escape in custom-code guardrail
History

Mon, 27 Apr 2026 23:15:00 +0000

Type Values Removed Values Added
First Time appeared Litellm
Litellm litellm
CPEs cpe:2.3:a:litellm:litellm:*:*:*:*:*:*:*:*
Vendors & Products Litellm
Litellm litellm

Tue, 14 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 14 Apr 2026 00:15:00 +0000

Type Values Removed Values Added
Title Remote Code Execution via Bytecode Rewriting on /guardrails/test_custom_code in LiteLLM LiteLLM: LiteLLM: Arbitrary Code Execution via bytecode rewriting
Weaknesses CWE-94
References
Metrics threat_severity

None

threat_severity

Important


Mon, 13 Apr 2026 14:30:00 +0000

Type Values Removed Values Added
Title Remote Code Execution via Bytecode Rewriting on /guardrails/test_custom_code in LiteLLM

Mon, 13 Apr 2026 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Berriai
Berriai litellm
Vendors & Products Berriai
Berriai litellm

Fri, 10 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Description LiteLLM through 2026-04-08 allows remote attackers to execute arbitrary code via bytecode rewriting at the /guardrails/test_custom_code URI.
Weaknesses CWE-420
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-04-14T14:39:03.619Z

Reserved: 2026-04-10T13:43:22.641Z

Link: CVE-2026-40217

cve-icon Vulnrichment

Updated: 2026-04-14T14:38:56.870Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-10T14:16:36.307

Modified: 2026-04-27T23:00:47.880

Link: CVE-2026-40217

cve-icon Redhat

Severity : Important

Publid Date: 2026-04-10T13:43:23Z

Links: CVE-2026-40217 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-04-14T16:36:31Z

Weaknesses