{"cve":"CVE-2025-6854","nvd":{"published":"2025-06-29T09:15:24.020","modified":"2026-06-17T10:02:41.940","status":"Analyzed","description":"A vulnerability classified as problematic was found in chatchat-space Langchain-Chatchat up to 0.3.1. This vulnerability affects unknown code of the file /v1/files?purpose=assistants. The manipulation leads to path traversal. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","score":2.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3},"cwes":["CWE-22"],"references":["https://github.com/chatchat-space/Langchain-Chatchat/issues/5353","https://vuldb.com/?ctiid.314326","https://vuldb.com/?id.314326","https://vuldb.com/?submit.601161"],"products":["chatchat-space:langchain-chatchat"],"source":"nvd","synced_at":"2026-10-19T22:03:23.287444849+00:00"},"epss":{"cve":"CVE-2025-6854","score":0.00578,"percentile":0.47609,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-8v8h-4pjx-rg73","url":"https://osv.dev/vulnerability/GHSA-8v8h-4pjx-rg73","summary":"Langchain-Chatchat vulnerable to path traversal","modified":"2026-07-07T17:56:17.194557923Z","packages":[{"ecosystem":"PyPI","name":"langchain-chatchat","purl":"pkg:pypi/langchain-chatchat","ranges":["<=0.3.1"],"fixed":[]}]},{"id":"PYSEC-2026-1511","url":"https://osv.dev/vulnerability/PYSEC-2026-1511","summary":"Langchain-Chatchat vulnerable to path traversal","modified":"2026-07-07T17:47:16.437774765Z","packages":[{"ecosystem":"PyPI","name":"langchain-chatchat","purl":"pkg:pypi/langchain-chatchat","ranges":["<=0.3.1"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}