CVE-2026-111715

EUVD-2026-103007
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 permission can query get_neighborhood() without scope checks to obtain page slugs, titles, types and link edges up to depth 3.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 9.24%
Common Weakness Enumeration
References
https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/wiki.py#L621-L633
https://github.com/nduckmink/arkon/blob/v0.9.2/app/services/wiki_service.py#L200-L257
https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor
https://www.vulncheck.com/advisories/arkon-through-0.9.2-missing-authorization-via-wiki-graph-neighborhood-api
https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor