{"id":"CVE-2026-111715","title":"Arkon through 0.9.2 Missing Authorization via Wiki Graph Neighborhood API","summary":"Arkon through 0.9.2 contains a missing authorization vulnerability in GET /api/wiki/graph that lets authenticated employees read other departments' wiki metadata by supplying a foreign slug. Attackers with only wiki:read:own_dept permiss…","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"],"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T17:40:04.155Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111715","references":[{"url":"https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor"},{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/wiki.py#L621-L633"},{"url":"https://github.com/nduckmink/arkon/blob/v0.9.2/app/services/wiki_service.py#L200-L257"},{"url":"https://www.vulncheck.com/advisories/arkon-through-0.9.2-missing-authorization-via-wiki-graph-neighborhood-api","label":"VulnCheck Advisory: Arkon through 0.9.2 Missing Authorization via Wiki Graph Neighborhood API"}],"tags":["cve.org"],"ingestedAt":"2026-10-16T18:43:08.640Z","slug":"CVE-2026-111715","body":"## Overview\n\nArkon through 0.9.2 contains a missing authorization vulnerability in GET /api/wiki/graph that lets authenticated employees read other departments' wiki metadata by supplying a foreign slug. Attackers with only wiki:read:own_dept permission can query get_neighborhood() without scope checks to obtain page slugs, titles, types and link edges up to depth 3.\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":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}