{"schema":"threatline.record/2","record":{"id":"CVE-2026-111717","aliases":[],"summary":"Arkon through 0.9.2 Missing Authorization via Skills Versions API","details":"Arkon through 0.9.2 contains a missing authorization vulnerability in list_skill_versions that allows authenticated employees to read other departments' skill version metadata by bypassing the can_access_skill check. Attackers holding the default skill:read permission can request GET /api/skills/{slug}/versions for another department's skill to obtain version numbers, hashes, storage paths and changelogs.","categories":["Unclassified"],"product":"arkon","vendor":"nduckmink","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111717","source_modified_at":"2026-10-16T18:18:24.044Z","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":0.00269,"percentile":0.18089,"score_date":"2026-10-23"},"published_at":"2026-10-16T17:40:05.568Z","modified_at":"2026-10-16T18:18:24.044Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111717","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-16T18:18:24.044Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111717","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":["exploit"]},{"source":"CVE List","url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/skills.py#L427-L434","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/skills.py#L408-L425","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/arkon-through-0.9.2-missing-authorization-via-skills-versions-api","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-16T18:17:52.602648Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-16T18:18:24.044Z","content_hash":"dd319bab908aa6c0204f01e1c7a6a8c34612a95a6f3e8044e491b217a563736d"}}