{"id":"CVE-2026-111716","revision":"9cbf4c3b0e674041b86b462501d9242b","records":[{"revision":"9cbf4c3b0e674041b86b462501d9242b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111716","aliases":[],"title":"Arkon through 0.9.2 Broken Access Control via Sources By-ID Routes","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.","state":0,"publishedAt":"2026-10-16T17:40:04.869+00:00","modifiedAt":"2026-10-16T21:16:33.552+00:00","affected":[{"ecosystem":"Vendor product","name":"arkon","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"nduckmink\",\n                    \"product\": \"arkon\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"0.9.2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/nduckmink/arkon\",\n                    \"repo\": \"https://github.com/nduckmink/arkon\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","score":5.4,"severity":"MEDIUM"}],"references":["https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor","https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L644-L673","https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L295-L312","https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L257-L275","https://www.vulncheck.com/advisories/arkon-through-0.9.2-broken-access-control-via-sources-by-id-routes"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111716","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111716","identifiers":["CVE-2026-111716"]},"retained":false,"historicalAffected":[]}],"coverage":[]}