{"data":{"id":"c42f5f69-dea1-4a7e-85bd-6cc9ab2c1701","title":"CVE-2025-6853: A vulnerability classified as critical has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This affects the","summary":"CVE-2025-6853 is a critical vulnerability in Langchain-Chatchat version 0.3.1 and earlier that allows attackers to exploit a path traversal (a type of attack where an attacker manipulates file paths to access files outside their intended directory) flaw in the upload_temp_docs backend function by manipulating the flag argument. The vulnerability can be exploited remotely by users with basic access permissions, and the exploit details have been publicly disclosed.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-6853","publishedAt":"2025-06-29T12:15:21.550Z","cveId":"CVE-2025-6853","cweIds":["CWE-22"],"cvssScore":"6.3","cvssSeverity":"medium","severity":"medium","attackType":["supply_chain"],"issueType":"vulnerability","affectedPackages":null,"affectedVendors":["LangChain"],"affectedVendorsRaw":["Langchain-Chatchat","chatchat-space"],"classifierModel":"claude-haiku-4-5-20251001","classifierPromptVersion":"v3","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.00141,"patchAvailable":null,"disclosureDate":null,"capecIds":["CAPEC-126"],"crossRefCount":0,"attackSophistication":"trivial","impactType":["confidentiality","integrity","availability"],"aiComponentTargeted":"api","llmSpecific":true,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":null}}