{"id":"CVE-2026-77517","summary":"MaxKB cross-knowledge IDOR lets a normal user read and modify documents and paragraphs in another knowledge base","details":"MaxKB is an open-source AI assistant for enterprise. From version 2.0.0 through 2.10.2-lts, document and paragraph operate routes authorize only knowledge_id in the request path, then query the target Document by document_id or Paragraph by paragraph_id without confirming that the object belongs to that knowledge base. A normal workspace user with a known victim document or paragraph UUID can use an attacker-owned knowledge-base path to read or modify content in another user's knowledge base. No fixed version is available as of this review.","aliases":["GHSA-58cm-c5jq-96vf"],"modified":"2026-09-24T03:30:21.274445668Z","published":"2026-09-21T20:46:19.540Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77517.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-639","CWE-862"]},"references":[{"type":"ADVISORY","url":"https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-58cm-c5jq-96vf"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77517.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77517"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/1panel-dev/maxkb","events":[{"introduced":"c96de7a5f536909aef37fae92f97f62798eb1373"},{"fixed":"6951bf3d126521a2ba959b2e3d623f2fe4d03bd6"}],"database_specific":{"extracted_events":[{"introduced":"2.0.0"},{"last_affected":"2.10.2-lts"},{"fixed":"2.10.2-lts"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"versions":["v2.10.0-lts","v2.9.2","v2.9.1","v2.9.0","v2.8.1","v2.8.0","v2.7.0","v2.6.1","v2.6.0","v2.5.0","v2.4.0","v2.3.0","v2.2.0","v2.1.0","v2.0.2","v2.0.1","v2.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-77517.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}]}