{"id":"CVE-2026-111717","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.","modified":"2026-10-17T02:48:23.387103058Z","published":"2026-10-16T17:40:05.568Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111717.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-639"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111717.json"},{"type":"PACKAGE","url":"https://github.com/nduckmink/arkon"},{"type":"ARTICLE","url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/skills.py#L408-L425"},{"type":"ARTICLE","url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/skills.py#L427-L434"},{"type":"ADVISORY","url":"https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111717"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/arkon-through-0.9.2-missing-authorization-via-skills-versions-api"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nduckmink/arkon","events":[{"introduced":"0"},{"last_affected":"ab21af9b199e637cd02442e6cd299c7b6e6b8ac7"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"0.9.2"}],"source":"AFFECTED_FIELD"}}],"versions":["v0.9.2","v0.9.1","v0.9.0","v0.7.4","v0.7.3","v0.7.1","v0.4.0","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.6","v0.2.5","v0.2.4","v0.2.3","v0.2.2","v0.2.1","v0.2.0","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111717.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}]}