{"data":{"id":"47ad55dc-0ace-4746-ac10-039ff51f850a","title":"CVE-2026-7844: A vulnerability was detected in chatchat-space Langchain-Chatchat up to 0.3.1.3. This vulnerability affects the…","summary":"A flaw in chatchat-space Langchain-Chatchat up to 0.3.1.3 affects the files, list_files, retrieve_file, retrieve_file_content and delete_file functions in libs/chatchat-server/chatchat/server/api_server/openai_routes.py, within the Compatible File Service component. The functions lack authentication, so an attacker on the local network can execute the attack. A public exploit exists, and the project was informed through an issue report but has not yet responded.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-7844","publishedAt":"2026-05-05T16:16:19.217Z","cveId":"CVE-2026-7844","cweIds":["CWE-287","CWE-306"],"cvssScore":"6.3","cvssSeverity":"medium","severity":"medium","attackType":["other"],"issueType":"vulnerability","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":[],"affectedVendorsRaw":["Langchain-Chatchat"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":"Langchain-Chatchat missing authentication in Compatible File Service","headlinePromptVersion":"h1","cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","attackVector":"adjacent","attackComplexity":"low","privilegesRequired":"none","userInteraction":"none","exploitMaturity":"unknown","epssScore":0.00322,"epssCheckedAt":"2026-11-09T12:10:45.517Z","kevDateAdded":null,"advisoryAliases":["GHSA-xvqj-p4jj-r7xh"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":"2026-11-03T06:12:13.175Z","patchAvailable":null,"disclosureDate":"2026-05-05T16:16:19.217Z","fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":["CAPEC-114","CAPEC-115"],"crossRefCount":0,"attackSophistication":"moderate","impactType":["confidentiality","integrity"],"aiComponentTargeted":"api","llmSpecific":true,"classifierConfidence":0.95,"researchCategory":null,"atlasIds":null,"fixes":[]}}