{"data":{"id":"452cc94b-6575-4c37-a9c0-092fbfb8a243","title":"CVE-2025-9959: Incomplete validation of dunder attributes allows an attacker to escape from the Local Python execution environment…","summary":"CVE-2025-9959 is an incomplete validation of dunder attributes in smolagents' Local Python execution environment, which allows an attacker to escape the sandbox. The attack requires a prompt injection that tricks the agent into generating malicious code. The weakness is classified as CWE-94, Improper Control of Generation of Code ('Code Injection'), and JFrog is the cited source.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-9959","publishedAt":"2025-09-03T17:15:35.737Z","cveId":"CVE-2025-9959","cweIds":["CWE-94"],"cvssScore":"7.6","cvssSeverity":"high","severity":"high","attackType":["prompt_injection","other"],"issueType":"vulnerability","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":["HuggingFace"],"affectedVendorsRaw":["smolagents"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":"smolagents Local Python execution sandbox escape via dunder attributes","headlinePromptVersion":"h1","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.00312,"epssCheckedAt":"2026-11-04T06:10:14.410Z","kevDateAdded":null,"advisoryAliases":["GHSA-p8v6-48p4-f4r4"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":"2026-11-04T18:09:17.466Z","patchAvailable":null,"disclosureDate":null,"fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":["CAPEC-242"],"crossRefCount":0,"attackSophistication":"moderate","impactType":["confidentiality","integrity"],"aiComponentTargeted":"agent","llmSpecific":true,"classifierConfidence":0.95,"researchCategory":null,"atlasIds":["AML.T0051"],"fixes":[]}}