{"data":{"id":"a59d48d1-82c7-45b4-91a5-6813bdefea2a","title":"CVE-2023-39631: An issue in LanChain-ai Langchain v.0.0.245 allows a remote attacker to execute arbitrary code via the evaluate function","summary":"CVE-2023-39631 is a code injection vulnerability (a flaw where an attacker can insert malicious code into a program) in Langchain version 0.0.245 that allows a remote attacker to execute arbitrary code through the evaluate function in the numexpr library (a Python tool for fast numerical expression evaluation). The vulnerability has a CVSS severity score of 4.0, indicating low to moderate risk.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-39631","publishedAt":"2023-09-01T20:15:08.370Z","cveId":"CVE-2023-39631","cweIds":["CWE-94"],"cvssScore":"9.8","cvssSeverity":"critical","severity":"critical","attackType":[],"issueType":"vulnerability","affectedPackages":null,"affectedVendors":["LangChain"],"affectedVendorsRaw":["LangChain","numexpr"],"classifierModel":"claude-haiku-4-5-20251001","classifierPromptVersion":"v3","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.03315,"patchAvailable":null,"disclosureDate":null,"capecIds":["CAPEC-242"],"crossRefCount":0,"attackSophistication":"moderate","impactType":["integrity","confidentiality","availability"],"aiComponentTargeted":"framework","llmSpecific":false,"classifierConfidence":0.92,"researchCategory":null,"atlasIds":null}}