CVE-2026-109568

Shaark 1.2.13 through 1.2.44 contains a missing authorization vulnerability in the Link, Story, Chest and Album API controllers that skips ownership checks. Authenticated non-admin users can send PUT or DELETE requests to /api/{link,story,chest,album}/{id} with numeric IDs to overwrite or delete other users' content, including private items.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/MarceauKa/shaark
https://github.com/MarceauKa/shaark/blob/1.2.44/app/Http/Controllers/Api/LinkController.php
https://github.com/MarceauKa/shaark/pull/110
https://www.vulncheck.com/advisories/shaark-1.2.13-through-1.2.44-missing-authorization-via-api-update-and-delete-routes

Configurations

No configuration.

History

12 Oct 2026, 21:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-12 21:17

Updated : 2026-10-16 19:18

NVD link : CVE-2026-109568

Mitre link : CVE-2026-109568

CVE.ORG link : CVE-2026-109568

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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