{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-40217", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-04-10T13:43:22.641Z", "datePublished": "2026-04-10T13:43:23.147Z", "dateUpdated": "2026-04-10T13:43:23.147Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "product": "LiteLLM", "vendor": "BerriAI", "versions": [{"status": "affected", "version": "bb0639701796218a3447160e55c0f1097446e4e6085df7dfd39f476d4143743f", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "LiteLLM through 2026-04-08 allows remote attackers to execute arbitrary code via bytecode rewriting at the /guardrails/test_custom_code URI."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-420", "description": "CWE-420 Unprotected Alternate Channel", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-04-10T13:43:23.147Z"}, "references": [{"url": "https://www.x41-dsec.de/lab/advisories/x41-2026-001-litellm/"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "LiteLLM through 2026-04-08 allows remote attackers to execute arbitrary code via bytecode rewriting at the /guardrails/test_custom_code URI."}], "id": "CVE-2026-40217", "lastModified": "2026-04-10T14:16:36.307", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-04-10T14:16:36.307", "references": [{"source": "cve@mitre.org", "url": "https://www.x41-dsec.de/lab/advisories/x41-2026-001-litellm/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-420"}], "source": "cve@mitre.org", "type": "Primary"}]}

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