{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"0.3.1.3"}],"component":"langchain-chatchat","cve_ids":["CVE-2026-7846"],"ecosystem":"PyPI","epss":0.00162,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-x229-w2j4-h748","id":"tcs_01M5KH06CWEGANCYPJYG5RA1VJ","modified_at":"2026-07-13T16:31:48.695873244Z","published_at":"2026-07-13T15:02:57.451046Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2559","https://nvd.nist.gov/vuln/detail/CVE-2026-7846","https://github.com/chatchat-space/Langchain-Chatchat/issues/5463","https://github.com/3em0/cve_repo/blob/main/Langchain-Chatchat/Vuln-2-Silent-File-Overwrite.md","https://github.com/chatchat-space/Langchain-Chatchat","https://vuldb.com/submit/807795","https://vuldb.com/vuln/361125","https://vuldb.com/vuln/361125/cti","https://pypi.org/project/langchain-chatchat","https://github.com/advisories/GHSA-x229-w2j4-h748"],"severity":{"label":"low","score":2.6},"sources":[{"source":"osv","source_id":"PYSEC-2026-2559","url":"https://osv.dev/vulnerability/PYSEC-2026-2559"}],"summary":"Langchain-Chatchat has a Race Condition in its OpenAI-Compatible File Upload API"}