{"id":"CVE-2026-111716","summary":"Arkon through 0.9.2 Broken Access Control via Sources By-ID Routes","details":"Arkon through 0.9.2 contains a broken access control vulnerability that allows authenticated employees to read and modify other departments' sources because by-id routes in app/routers/sources.py skip can_access_document. Attackers can call the plan, progress, PATCH, retry and approve-extraction routes with foreign source IDs to disclose derived wiki titles and summaries and alter ingestion state.","modified":"2026-10-17T10:30:40.976315448Z","published":"2026-10-16T17:40:04.869Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-639"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111716.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111716.json"},{"type":"PACKAGE","url":"https://github.com/nduckmink/arkon"},{"type":"ARTICLE","url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L257-L275"},{"type":"ARTICLE","url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L295-L312"},{"type":"ARTICLE","url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L644-L673"},{"type":"ADVISORY","url":"https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111716"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/arkon-through-0.9.2-broken-access-control-via-sources-by-id-routes"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nduckmink/arkon","events":[{"introduced":"0"},{"last_affected":"ab21af9b199e637cd02442e6cd299c7b6e6b8ac7"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"0.9.2"}]}}],"versions":["v0.9.2","v0.9.1","v0.9.0","v0.7.4","v0.7.3","v0.7.1","v0.4.0","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.6","v0.2.5","v0.2.4","v0.2.3","v0.2.2","v0.2.1","v0.2.0","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111716.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"}]}