{"id":"CVE-2026-85671","summary":"QAnything 2.0.0 Unauthenticated Cross-User File Disclosure","details":"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 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.","modified":"2026-09-06T03:47:20.963690631Z","published":"2026-09-04T14:32:26.116Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85671.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-306"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85671.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85671"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/qanything-2.0.0-unauthenticated-cross-user-file-disclosure"},{"type":"REPORT","url":"https://github.com/netease-youdao/QAnything/issues/670"},{"type":"PACKAGE","url":"https://github.com/netease-youdao/QAnything"},{"type":"ARTICLE","url":"https://github.com/netease-youdao/QAnything/blob/v2.0.0/qanything_kernel/qanything_server/handler.py"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/netease-youdao/qanything","events":[{"introduced":"0"},{"last_affected":"f3e96fa41325ea978de6bb3eabbd8d0742f33d0c"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"2.0.0"}],"source":"AFFECTED_FIELD"}}],"versions":["v2.0.0","v1.4.0-python","v1.2.0","v1.1.1","v1.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-85671.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}]}