CVE-2026-32640

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Prior to 1.0.5, objects (including modules) can leak dangerous modules through to direct access inside the sandbox. If the objects you've passed in as names to SimpleEval have modules or other disallowed / dangerous objects available as attrs. Additionally, dangerous functions or modules could be accessed by passing them as callbacks to other safe functions to call. The latest version 1.0.5 has this issue fixed. This vulnerability is fixed in 1.0.5."}, {"lang": "es", "value": "SimpleEval es una biblioteca para a\u00f1adir expresiones evaluables en proyectos de python. Antes de la 1.0.5, los objetos (incluidos los m\u00f3dulos) pueden filtrar m\u00f3dulos peligrosos a trav\u00e9s de acceso directo dentro del sandbox. Si los objetos que ha pasado como nombres a SimpleEval tienen m\u00f3dulos u otros objetos no permitidos / peligrosos disponibles como atributos. Adem\u00e1s, se podr\u00eda acceder a funciones o m\u00f3dulos peligrosos pas\u00e1ndolos como callbacks a otras funciones seguras para llamar. La \u00faltima versi\u00f3n 1.0.5 tiene este problema solucionado. Esta vulnerabilidad est\u00e1 solucionada en la 1.0.5."}], "id": "CVE-2026-32640", "lastModified": "2026-07-15T02:19:59.843", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/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": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-32640", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-16T16:48:15.526192Z", "version": "2.0.3"}}]}, "published": "2026-03-16T14:19:40.930", "references": [{"source": "security-advisories@github.com", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://github.com/danthedeckie/simpleeval/security/advisories/GHSA-44vg-5wv2-h2hg"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2026/04/msg00023.html"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:10184"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:37275"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/security/cve/CVE-2026-32640"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447529"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32640.json"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}, {"lang": "en", "value": "CWE-915"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-915"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}]}

{"bugzilla": {"description": "simpleeval: SimpleEval: Arbitrary code execution via sandbox escape due to improper object handling", "id": "2447529", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447529"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "status": "draft"}, "cwe": "CWE-915", "details": ["A flaw was found in the Python library, SimpleEval. A remote attacker could exploit this vulnerability by providing specially crafted input that allows dangerous modules or functions to be accessed outside of the intended sandbox environment. This could lead to arbitrary code execution within the application using SimpleEval."], "name": "CVE-2026-32640", "package_state": [{"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-training-cuda121-torch24-py311-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-training-cuda124-torch25-py311-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-training-cuda128-torch28-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-training-cuda128-torch29-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-training-rocm62-torch24-py311-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-training-rocm62-torch25-py311-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-training-rocm64-torch28-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-training-rocm64-torch29-py312-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-trustyai-nemo-guardrails-server-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}], "public_date": "2026-03-13T21:03:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-32640\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-32640\nhttps://github.com/danthedeckie/simpleeval/security/advisories/GHSA-44vg-5wv2-h2hg"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.0.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "simpleeval", "source": "cna", "vendor": "danthedeckie"}, "product": "simpleeval", "vendor": "danthedeckie"}], "analysis": {"en": {"generated_at": "2026-03-18T20:35:22.779111+00:00", "value": {"mitigation_remediation": ["Upgrade SimpleEval to version 1.0.5 or later"], "summary": {"action": "Apply Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the danthedeckie:simpleeval package for all releases before 1.0.5. Any installation of SimpleEval older than 1.0.5 that receives untrusted expressions is vulnerable.", "description_and_impact": "SimpleEval is a lightweight library that evaluates Python expressions supplied by users. Prior to version 1.0.5, its sandbox allowed objects\u2014such as modules\u2014that were passed in as names to be exposed as attributes within the evaluation context. This flaw means that an attacker can reference potentially dangerous modules or functions that the library itself deems disallowed, effectively permitting execution of arbitrary code with the privileges of the host application. The weakness is reflected in CWE\u2011915 (Code Injection) and CWE\u201194 (Code Injection via Dynamic Untrusted Input).", "risk_and_exploitability": "The CVE has a CVSS score of 8.7, indicating high severity, while the EPSS score is below 1% and the flaw is not listed in the CISA KEV catalog, suggesting a relatively low probability of widespread exploitation. The likely attack vector is an application embedding SimpleEval and processing user\u2011supplied expressions; from that point an attacker can craft an expression that accesses disallowed modules or functions, leading to remote code execution. The attacker does not need additional privileges beyond those of the running application."}}}}, "created": "2026-03-16T09:22:53.200009+00:00", "updated": "2026-03-23T13:39:28.896624+00:00", "vendors": ["danthedeckie", "danthedeckie$PRODUCT$simpleeval"]}