What’s Vulnerable › Vulnerabilities

CVE-2026-109568: Shaark 1.2.13 through 1.2.44 Missing Authorization via API Update and Delete Routes

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-12 · updated 2026-10-16
• Weakness: CWE-639

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.

Affected products

• MarceauKa Shaark: from 1.2.13 through 1.2.44

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

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