CVE-2026-111715 Arkon through 0.9.2 Missing Authorization via Wiki Graph Neighborhood API
Authenticated users can bypass departmental restrictions to read metadata from other departments' wikis via the graph API.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-111715?
CVE-2026-111715 is a medium-severity missing authorization vulnerability in nduckmink arkon, published on 16 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-639
Which versions are affected by CVE-2026-111715?
How do I fix CVE-2026-111715?
No fix has been published for CVE-2026-111715 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-111715 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111715 exists.
Sources
Also known as GHSA-h23m-p5hh-g2pm.