{"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…","summary":"CVE-2025-6855 is a critical vulnerability in chatchat-space Langchain-Chatchat up to 0.3.1. The flaw sits in the processing of the file /v1/file, where manipulation of the argument flag leads to path traversal (CWE-22). The exploit has been publicly disclosed and may be used.","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":["langchain-chatchat@<= 0.3.1"],"affectedPackageNames":["langchain-chatchat"],"affectedPackageRefs":["pypi:langchain-chatchat"],"affectedVendors":[],"affectedVendorsRaw":["Langchain-Chatchat"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":"Langchain-Chatchat path traversal via the flag argument of /v1/file","headlinePromptVersion":"h1","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.00598,"epssCheckedAt":"2026-11-04T06:10:13.969Z","kevDateAdded":null,"advisoryAliases":["GHSA-f823-phmg-x5fr"],"affectedPackagesSource":"ghsa","affectedPackagesCheckedAt":"2026-10-10T03:53:31.050Z","patchAvailable":null,"disclosureDate":null,"fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":["CAPEC-126"],"crossRefCount":0,"attackSophistication":"trivial","impactType":["confidentiality","integrity"],"aiComponentTargeted":"api","llmSpecific":true,"classifierConfidence":0.9,"researchCategory":null,"atlasIds":null,"fixes":[]}}