CVE-2026-59821

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Prior to 1.82.0-stable, LiteLLM's Custom Code Guardrails production create and update paths did not apply the same sandboxing and validation used by the test endpoint, allowing a privileged user with access to create or update guardrails to submit custom Python code that executed in the LiteLLM proxy environment and could expose secrets available to the process. This issue is fixed in version 1.82.0-stable."}, {"lang": "es", "value": "LiteLLM es un servidor proxy (Pasarela de IA) para llamar a las API de LLM en formato OpenAI (o nativo). Antes de la versi\u00f3n 1.82.0-stable, las rutas de creaci\u00f3n y actualizaci\u00f3n de producci\u00f3n de las barreras de seguridad de c\u00f3digo personalizado de LiteLLM no aplicaban el mismo sandboxing y validaci\u00f3n utilizados por el punto final de prueba, lo que permit\u00eda a un usuario privilegiado con acceso para crear o actualizar barreras de seguridad enviar c\u00f3digo Python personalizado que se ejecutaba en el entorno proxy de LiteLLM y pod\u00eda exponer secretos disponibles para el proceso. Este problema est\u00e1 solucionado en la versi\u00f3n 1.82.0-stable."}], "id": "CVE-2026-59821", "lastModified": "2026-10-25T17:10:00.197", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.1, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-59821", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-09T14:38:04.002799Z", "version": "2.0.3"}}]}, "published": "2026-07-08T20:16:57.547", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/BerriAI/litellm/commit/e50b4486d0f7aa0497185a1ebcdd2c91f1769eba"}, {"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/BerriAI/litellm/releases/tag/v1.82.0-stable"}, {"source": "security-advisories@github.com", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "url": "https://github.com/BerriAI/litellm/security/advisories/GHSA-72m8-9m7m-h278"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "litellm: LiteLLM: Arbitrary code execution and information disclosure via custom code guardrails", "id": "2498202", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2498202"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.2", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-94", "details": ["LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.82.0-stable, LiteLLM's Custom Code Guardrails production create and update paths did not apply the same sandboxing and validation used by the test endpoint, allowing a privileged user with access to create or update guardrails to submit custom Python code that executed in the LiteLLM proxy environment and could expose secrets available to the process. This issue is fixed in version 1.82.0-stable.", "A flaw was found in LiteLLM, a proxy server for Large Language Model (LLM) APIs. A privileged user with access to create or update custom code guardrails could exploit this vulnerability. The flaw allowed the user to submit custom Python code that would execute within the LiteLLM proxy environment, potentially exposing sensitive information or secrets accessible to the process."], "mitigation": {"lang": "en:us", "value": "Upgrade litellm to 1.82.0 or later, which enforces the same code-safety checks on the guardrail create/update endpoints as the test endpoint. If upgrading is not immediately possible, restrict access to POST /guardrails and PUT /guardrails/{guardrail_id} to trusted administrators only, ensure LITELLM_MASTER_KEY is configured so unauthenticated callers are not treated as proxy administrators, and avoid enabling Custom Code Guardrails for untrusted users."}, "name": "CVE-2026-59821", "package_state": [{"cpe": "cpe:/a:redhat:exploit_intelligence:0", "fix_state": "Not affected", "package_name": "exploit-intelligence-tech-preview/vulnerability-analysis-rhel9", "product_name": "Exploit Intelligence"}, {"cpe": "cpe:/a:redhat:lightspeed_core", "fix_state": "Not affected", "package_name": "lightspeed-core/lightspeed-stack-rhel9", "product_name": "Lightspeed Core"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Not affected", "package_name": "ansible-automation-platform-26/lightspeed-chatbot-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Not affected", "package_name": "ansible-automation-platform-27/lightspeed-chatbot-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Not 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)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Not affected", "package_name": "rhoai/odh-trustyai-garak-lls-provider-dsp-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}], "public_date": "2026-07-08T19:14:13Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-59821\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-59821\nhttps://github.com/BerriAI/litellm/commit/e50b4486d0f7aa0497185a1ebcdd2c91f1769eba\nhttps://github.com/BerriAI/litellm/releases/tag/v1.82.0-stable\nhttps://github.com/BerriAI/litellm/security/advisories/GHSA-72m8-9m7m-h278"], "statement": "Red Hat rates this flaw with higher severity than the upstream GitHub Security Advisory (GHSA-72m8-9m7m-h278, CVSS v4.0 2.1, Low). Red Hat scored this CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H (7.2, Important) because a successful exploit grants arbitrary Python code execution within the LiteLLM proxy process, resulting in full compromise of the confidentiality, integrity, and availability of that component, including exposure of any secrets accessible to the process. Exploitation requires an authenticated caller with privileges to create or update LiteLLM Custom Code Guardrails, which is a proxy-administrator-level capability in default configurations.", "threat_severity": "Important"}

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