{"id":"CVE-2025-6854","aliases":["GHSA-8v8h-4pjx-rg73","PYSEC-2026-1511"],"url":"https://o3.security/vulnerability/CVE-2025-6854","summary":"chatchat-space Langchain-Chatchat files path traversal","details":"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.","published":"2025-06-29T08:31:04.802Z","modified":"2026-08-12T03:51:47.529606114Z","cvss":null,"epss":{"score":0.00483,"percentile":0.3943,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"langchain-chatchat","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6854.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6854"},{"type":"ADVISORY","url":"https://vuldb.com/?id.314326"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.601161"},{"type":"REPORT","url":"https://github.com/chatchat-space/Langchain-Chatchat/issues/5353"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.314326"},{"type":"PACKAGE","url":"https://github.com/chatchat-space/Langchain-Chatchat"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:47.529606114Z"}}