CVE-2026-109568

7.1High

Published 12 Oct 2026 · NVD status: Received

7.1High

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None
Impact: High impact on integrity
Weakness: CWE-639

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CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

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NVD description

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.

References

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

Source: nvd.nist.gov/vuln/detail/CVE-2026-109568