CVE-2026-40217

{"id": "CVE-2026-40217", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2026-04-10T14:16:36.307", "references": [{"url": "https://www.x41-dsec.de/lab/advisories/x41-2026-001-litellm/", "tags": ["Third Party Advisory", "Exploit", "Mitigation"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-420"}]}], "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."}], "lastModified": "2026-04-27T23:00:47.880", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:litellm:litellm:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1A3B5667-ED76-49FA-A4A7-5B9600843848", "versionEndIncluding": "2026-04-08"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}