CVE-2026-111717
Arkon through 0.9.2 Missing Authorization via Skills Versions API
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
Arkon through 0.9.2 contains a missing authorization vulnerability in list_skill_versions that allows authenticated employees to read other departments' skill version metadata by bypassing the can_access_skill check. Attackers holding the default skill:read permission can request GET /api/skills/{slug}/versions for another department's skill to obtain version numbers, hashes, storage paths and changelogs.
| CWE | CWE-639 |
| Vendor | nduckmink |
| Product | arkon |
| Published | Oct 16, 2026 |
| Last Updated | Oct 16, 2026 |
Stay Ahead of the Next One
Get instant alerts for nduckmink arkon
Be the first to know when new medium vulnerabilities affecting nduckmink arkon are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
nduckmink / arkon
0 ≤ 0.9.2
References
hackmd.io: https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor github.com: https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/skills.py#L427-L434 github.com: https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/skills.py#L408-L425 vulncheck.com: https://www.vulncheck.com/advisories/arkon-through-0.9.2-missing-authorization-via-skills-versions-api
Credits
hieuPenguinnn