{"data":{"id":"3403c531-9c42-436b-a35e-915e1c91dd88","title":"CVE-2025-6855: A vulnerability, which was classified as critical, has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This","summary":"CVE-2025-6855 is a critical vulnerability in Langchain-Chatchat (a tool built on LLMs) up to version 0.3.1 that allows path traversal (accessing files outside the intended directory) through manipulation of a parameter called 'flag' in the /v1/file endpoint. The vulnerability has been publicly disclosed and could potentially be exploited.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-6855","publishedAt":"2025-06-29T13:15:24.290Z","cveId":"CVE-2025-6855","cweIds":["CWE-22"],"cvssScore":"5.5","cvssSeverity":"medium","severity":"medium","attackType":["other"],"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":0.00142,"patchAvailable":null,"disclosureDate":null,"capecIds":["CAPEC-126"],"crossRefCount":0,"attackSophistication":"trivial","impactType":["confidentiality","integrity"],"aiComponentTargeted":"api","llmSpecific":true,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":null}}