Vulnerability in nduckmink arkon

[ Why it matters ]Priority signals

• Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/nduckmink/arkon/blob/v0.9.2/app/routers/wiki.py
• github.com/nduckmink/arkon/blob/v0.9.2/app/services/wiki_service.py
• hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor
• www.vulncheck.com/advisories/arkon-through-0.9.2-missing-authorization-via-wiki-graph-n…