CVE-2026-111717

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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/skills.py#L408-L425
https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/skills.py#L427-L434
https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor
https://www.vulncheck.com/advisories/arkon-through-0.9.2-missing-authorization-via-skills-versions-api
https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor

Configurations

No configuration.

History

16 Oct 2026, 19:17

Type	Values Removed	Values Added
References	~~() https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor -~~	() https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor -

16 Oct 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-16 18:17

Updated : 2026-10-16 19:17

NVD link : CVE-2026-111717

Mitre link : CVE-2026-111717

CVE.ORG link : CVE-2026-111717

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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