{"id":"CVE-2026-85671","title":"QAnything 2.0.0 contains an authentication bypass vulnerability in the /api/local_doc_qa/get_file_base64 and /api/local_doc_qa/get_doc endpoints that allows unauthenticated attackers to access any uploaded file or document","summary":"QAnything 2.0.0 contains an authentication bypass vulnerability in the /api/local_doc_qa/get_file_base64 and /api/local_doc_qa/get_doc endpoints that allows unauthenticated attackers to access any uploaded file or document. Attackers can…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-306"],"vendor":"netease-youdao","product":"QAnything","affected":["QAnything <= 2.0.0"],"published":"2026-09-04","updated":"2026-09-14","sourceUpdated":"2026-09-14T20:16:59.390","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-85671","references":[{"url":"https://github.com/netease-youdao/QAnything","label":"disclosure@vulncheck.com"},{"url":"https://github.com/netease-youdao/QAnything/blob/v2.0.0/qanything_kernel/qanything_server/handler.py","label":"disclosure@vulncheck.com"},{"url":"https://github.com/netease-youdao/QAnything/issues/670","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/qanything-2.0.0-unauthenticated-cross-user-file-disclosure","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"epss":0.00364,"epssPercentile":0.30159,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-14T19:20:14.474561Z"},"ingestedAt":"2026-09-14T20:14:21.165Z","slug":"CVE-2026-85671","body":"## Overview\n\nQAnything 2.0.0 contains an authentication bypass vulnerability in the /api/local_doc_qa/get_file_base64 and /api/local_doc_qa/get_doc endpoints that allows unauthenticated attackers to access any uploaded file or document. Attackers can enumerate file identifiers through unauthenticated endpoints and retrieve base64-encoded files or parsed document chunks without ownership verification to disclose cross-tenant knowledge base content.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}