{"id":"CVE-2026-111716","title":"Arkon through 0.9.2 Broken Access Control via Sources By-ID Routes","summary":"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 c…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cvssSource":"cna","cwe":["CWE-639"],"vendor":"nduckmink","product":"arkon","affected":["arkon <= 0.9.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-16T19:34:17.036213Z"},"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T21:16:33.552Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111716","references":[{"url":"https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor"},{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L644-L673"},{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L295-L312"},{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L257-L275"},{"url":"https://www.vulncheck.com/advisories/arkon-through-0.9.2-broken-access-control-via-sources-by-id-routes","label":"VulnCheck Advisory: Arkon through 0.9.2 Broken Access Control via Sources By-ID Routes"}],"tags":["cve.org"],"ingestedAt":"2026-10-16T18:43:08.639Z","slug":"CVE-2026-111716","body":"## Overview\n\nArkon 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.\n\n## Affected\n\n- `arkon <= 0.9.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}