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{"bugzilla": {"description": "LiteLLM: LiteLLM: Arbitrary Code Execution via bytecode rewriting", "id": "2457301", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2457301"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-94", "details": ["A flaw was found in LiteLLM. A remote attacker can exploit this flaw by performing bytecode rewriting at the `/guardrails/test_custom_code` URI. This could lead to arbitrary code execution, allowing the attacker to run malicious code on the affected system."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2026-40217", "package_state": [{"cpe": "cpe:/a:redhat:lightspeed_core", "fix_state": "Affected", "package_name": "redhat-user-workloads/lightspeed-stack", "product_name": "Lightspeed Core"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "redhat-user-workloads/lightspeed-chatbot-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "redhat-user-workloads/llama-stack-cpu", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-llama-stack-core-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Not affected", "package_name": "rhoai/odh-mlflow-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}], "public_date": "2026-04-10T13:43:23Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-40217\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-40217\nhttps://www.x41-dsec.de/lab/advisories/x41-2026-001-litellm/"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "bb0639701796218a3447160e55c0f1097446e4e6085df7dfd39f476d4143743f"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "LiteLLM", "source": "cna", "vendor": "BerriAI"}, "product": "litellm", "vendor": "berriai"}], "analysis": {"en": {"generated_at": "2026-04-14T01:42:24.927132+00:00", "value": {"mitigation_remediation": ["Upgrade LiteLLM to a version released after April\u202f8\u202f2026 or apply the vendor\u2011provided patch. If a patch is not yet available, disable or restrict access to the /guardrails/test_custom_code endpoint. Deploy network controls to block external traffic to the vulnerable endpoint until a patch is applied. Verify the update with vendor documentation or security advisories."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The issue affects BerriAI\u2019s LiteLLM product. All versions of LiteLLM released on or before April\u202f8\u202f2026 are impacted. Precise version numbers are not listed, so any installation derived from the affected code base should be assumed vulnerable.", "description_and_impact": "LiteLLM implementations prior to April\u202f8\u202f2026 contain a flaw that allows attackers to inject and execute arbitrary bytecode through the /guardrails/test_custom_code endpoint. The vulnerability stems from unsafe bytecode rewriting, which can lead to execution of arbitrary code on the host system. This flaw can compromise confidentiality, integrity, and availability of the affected environment, potentially allowing a remote attacker to gain full control of the affected service.", "risk_and_exploitability": "The CVSS score of 8.8 indicates high severity, while an EPSS score below 1\u202f% suggests limited current exploitation activity. The vulnerability is not currently flagged in the CISA KEV catalog. Based on the description, the likely attack vector is a remote HTTP request to the /guardrails/test_custom_code URI, requiring network reachability to the service. If the endpoint is publicly reachable, an attacker can exploit this flaw without user interaction. The absence of additional mitigations in the cited advisory indicates the flaw can be fully leveraged once the endpoint is reachable."}}}}, "created": "2026-04-13T12:44:52.862738+00:00", "updated": "2026-04-14T16:36:31.393006+00:00", "vendors": ["berriai", "berriai$PRODUCT$litellm"]}