{"schema":"threatline.record/2","record":{"id":"CVE-2026-111716","aliases":[],"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.","categories":["Unclassified"],"product":"arkon","vendor":"nduckmink","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111716","source_modified_at":"2026-10-16T21:16:33.552Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"arkon","vendor":"nduckmink","versions":[{"version":"0","lessThanOrEqual":"0.9.2","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00177,"percentile":0.0693,"score_date":"2026-10-23"},"published_at":"2026-10-16T17:40:04.869Z","modified_at":"2026-10-16T21:16:33.552Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111716","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-16T21:16:33.552Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111716","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L644-L673","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L295-L312","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L257-L275","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/arkon-through-0.9.2-broken-access-control-via-sources-by-id-routes","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-16T19:34:17.036213Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-16T21:16:33.552Z","content_hash":"10109062991b320ed85b074108f858378fbfedf0b733cd6d71938e43b34beeee"}}