{"id":"CVE-2026-111716","published":"2026-10-16T18:17:55.997","lastModified":"2026-10-16T22:17:23.160","description":"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.","cvssScore":5.4,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cwes":["CWE-639"],"vendors":[],"products":[],"references":[{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L257-L275","tags":[]},{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L295-L312","tags":[]},{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L644-L673","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor","tags":[]},{"url":"https://www.vulncheck.com/advisories/arkon-through-0.9.2-broken-access-control-via-sources-by-id-routes","tags":[]}],"exploitRefs":[{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L257-L275","tags":[]},{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L295-L312","tags":[]},{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L644-L673","tags":[]}],"hasPoc":true,"ai":null}