Vulnerability DatabaseCVE-2026-111715
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CVE-2026-111715
Published:October 16, 2026
Updated:October 20, 2026
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.
Related Resources (7)
https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/wiki.py#L621-L633
https://github.com/nduckmink/arkon
https://nvd.nist.gov/vuln/detail/CVE-2026-111715
https://www.vulncheck.com/advisories/arkon-through-0.9.2-missing-authorization-via-wiki-graph-neighborhood-api
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111715.json
https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor
https://github.com/nduckmink/arkon/blob/v0.9.2/app/services/wiki_service.py#L200-L257
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Authorization Bypass Through User-Controlled Key
CWE-639
EPSS
Base Score:
0.20