{"id":"CVE-2026-111717","title":"Arkon through 0.9.2 Missing Authorization via Skills Versions API","summary":"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 th…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-639"],"vendor":"nduckmink","product":"arkon","affected":["arkon <= 0.9.2"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-16T18:17:52.602648Z"},"exploitAvailable":true,"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T18:18:24.044Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111717","references":[{"url":"https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor"},{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/skills.py#L427-L434"},{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/skills.py#L408-L425"},{"url":"https://www.vulncheck.com/advisories/arkon-through-0.9.2-missing-authorization-via-skills-versions-api","label":"VulnCheck Advisory: Arkon through 0.9.2 Missing Authorization via Skills Versions API"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-10-16T18:43:08.626Z","slug":"CVE-2026-111717","body":"## Overview\n\nArkon 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.\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":"twilight","depthScore":36,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}