{"id":"CVE-2026-111717","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-111717","generatedAt":"2026-10-28T11:33:40.980Z","title":"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.","description":"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.","published":"2026-10-16T18:17:56.000Z","lastModified":"2026-10-16T19:17:05.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":5.3,"severity":"MEDIUM","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-639"],"affected":[],"epss":{"score":0.00269,"percentile":0.18975,"date":"2026-10-27","history":[{"date":"2026-10-17","score":0.00269,"percentile":0.17816}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-16T18:17:56.000Z","detail":{"score":"5.3","severity":"MEDIUM","publishedAt":"2026-10-16T18:17:56.130Z"},"summary":"New CVE, medium severity (CVSS 5.3)."}],"references":[{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/skills.py#L408-L425","source":"disclosure@vulncheck.com"},{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/skills.py#L427-L434","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/arkon-through-0.9.2-missing-authorization-via-skills-versions-api","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-111717","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}