CVE-2026-111716

Arkon through 0.9.2 contains a broken access control vulnerability that allows authenticated employees to read and modify other departments' sources because by-id routes in app/routers/sources.py skip can_access_document. Attackers can call the plan, progress, PATCH, retry and approve-extraction routes with foreign source IDs to disclose derived wiki titles and summaries and alter ingestion state.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L257-L275
https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L295-L312
https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L644-L673
https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor
https://www.vulncheck.com/advisories/arkon-through-0.9.2-broken-access-control-via-sources-by-id-routes

Configurations

No configuration.

History

16 Oct 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-16 18:17

Updated : 2026-10-16 22:17

NVD link : CVE-2026-111716

Mitre link : CVE-2026-111716

CVE.ORG link : CVE-2026-111716

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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