{"schema":"threatline.record/2","record":{"id":"CVE-2026-51859","aliases":[],"summary":"bisheng 2.3.0, 2.4.0, and 2.4.0-beta1 is vulnerable to directory traversal in save_download_file (src/backend/bisheng/core/cache/utils.py:290).","details":"bisheng 2.3.0, 2.4.0, and 2.4.0-beta1 is vulnerable to directory traversal in save_download_file (src/backend/bisheng/core/cache/utils.py:290).","categories":["Unclassified"],"product":"n/a","vendor":"n/a","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-51859","source_modified_at":"2026-10-01T18:48:08.502Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"n/a","vendor":"n/a","versions":[{"version":"n/a","status":"affected"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.1,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00651,"percentile":0.5059,"score_date":"2026-10-23"},"published_at":"2026-09-30T00:00:00.000Z","modified_at":"2026-10-01T18:48:08.502Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-51859","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-01T18:48:08.502Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-51859","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/dataelement/bisheng/issues/1994","tags":["exploit"]},{"source":"CVE List","url":"https://gist.github.com/Ro1ME/df160925a60dd917550f7c87bfe62519"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"poc","automatable":"yes","technical_impact":"total","assessed_at":"2026-10-01T18:47:35.734560Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-01T18:48:08.502Z","content_hash":"e8a12e3b217ae8869f530dfb3037be49548d0a0432fe9a81573231a2b00305ff"}}